A and B are traveling in the same direction. A is traveling at 45mph and is 40 miles ahead of B who is traveling at 55mph. How many hours will it take B to catch up to A?

A and B are traveling in the same direction. A is traveling at 45mph and is 40 miles ahead of B who is traveling at 55mph. How many hours will it take B to catch up to A?

When we say y is directly proportional to x , we write y = kx where k is some constant. Suppose we have a spring and we stretch it a distance of x beyond its natural length. Hooke's law says that...

This is a story problem on odysseyware and I have no clue how to even go about figuring it out.

By substituting y=-15 in the first equation he found x=40 but the answer did not check. . Find his error and correct the solution

an investment of 1,500 in a technology stock doubles every 5 years. The function that models the growth of this investment is f(x) = 1,500 x 2x, where x is the number of doubling periods. How much...

Please help me understand the problem. I have no idea what this means. I also don't know what I'm supposed to write in this box.

Need answer within 2 hours

A dollar store sells items for $1 and $2. You plan to go there and spend at least $20. Let x stand for the number of one-dollar items and let y stand for the number of two-dollar items. Write and...

i dont understand what the question is sating its dealing with exponential growth

sam is looking for a repair service for general household maintenance. One service charges a $!00 flat fee to come to the house and $20 per hour. Another service charges $50 per hour. After how many...

Greyson has a paper delivery route which he completes by riding his bicycle. The drop-off station where he picks up his papers for delivery is located in the neighborhood where he delivers papers...

Find five consecutive integers such that: "The sum of the first and 3 times the third is equal to 54 less than twice the sum of the second, fourth, and fifth." I need help trying...

Mark charged a battery. Each minute, the percentage of the battery's capacity that was charged increased by 2.52 percent. After 17 minutes of charging, the battery was 61.5 percent full. How...

-My tens digit is 3/4 of my hundreds digit; their sum is 14. -My units digit is odd; it's 150% of my tens digit. -The sum of all my digits is equal to the value of y in the equation...

Donna bought a desktop computer and a laptop computer. Before the finance charges , the laptop cost $400 less than the desktop. She paid for the computers using two different financing plans. For...

at a basketball game, a team made 52 successful shots. They were a combination of 1 and 2 point shots. The team scored 89 points in all.

Suppose in 2000, a country recycled 69.2 million tons of solid waste. In 2002, the figure grew to 76.2 million tons. Let N(t) represent the number of tons recycled, in millions, and t the number of...

One positive integer is 6 less than twice another. The sum of their squares is 569. Find the integers

between 1990 and 2005, th monthly rent for a one bedroom apartment increased by 45$ per year. In 1997 the rent was 835$ per month. Find the equation that gives the monthly rent in dollars in terms...

A math club has 40 members. The number of girls is 5 less than 2 times the number of boys.

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