Going against the wind, a cyclist was able to reach 60 km in a matter of 4 hours. With the wind, she was able to cover 150 km in 6 hours. What would be the speed of the cyclist in calm air and how...

Going against the wind, a cyclist was able to reach 60 km in a matter of 4 hours. With the wind, she was able to cover 150 km in 6 hours. What would be the speed of the cyclist in calm air and how...

??? Thanks

A*B*6 is A three digit number and is divisible by 9,5 and 7. What two digit number is A*B?

l. What is the cost of mailing a package if the rates is 30 cents for each ounce and $1.25 for handling? 2. An architectural plan suggests that the length of an entrance way should be one-fourth...

I am not sure how to set up the story problem

Smith family has 3 people and all 3 work to earn income. The family has a total annual income of $151,000. Mr smith earns $3000 more than twice the amount of his son. Mrs smith earns $5000 less than...

there are 23 total people. 16 dollars for adults. 3 for children. 147 dollars collected. how many children and how many adults?

The equation p=1+d/33 gives the pressure, P, in atmospheres (atm) at a depth of d feet n the sea. For what depths d is the pressure of at least 5 am and at most 8 atm?

Chris can be paid in one of two ways. Plan A is a salary of $350 per month, plus a commission of 9% of gross sales. Plan B is a salary of $690 per month, plus a commission of 4% of gross sales. For...

A group can charter a particular aircraft at a fixed total cost. If 36 people charter the aircraft rather than 40 people, then the cost per person is greater by $12. a) What is the...

Two cars started from the same point and traveled on a straight course in opposite directions for 2 hours, at which time they were 208 miles apart. If one car traveled, on average, 8 miles per hour...

type a costs 4.05 per pound type b costs 5.45 per pound mixture blend of two is three times as much b then it is a

Pls explain the equation and the variables

a cyclist began a 476 mi ride across at the same time that a car traveling toward it leaves the eastern end of the state. If the bicycle and car met after 8.5 hr and the car traveled 35.2mph faster...

I dont understand how to find these three integers

what is the interest rate necessary for an investment to quadruple after 8 years o continuous compound interest. (round to nearest one hundreth of a percent

Please kindly help me solve this problem: A man lost Rs.6 on every box of apples he sold.If the man sold 126 boxes of apples, how much money did he gain

the perimeter of a rectangle is 62 meters if the width were doubled and the length were increased by 21 meters the perimeter would be 120 meters

During a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At 9 am there were 2,000 bacteria present in the culture. At noon, the...

answer needs to be rounded to the nearest tenth

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