Right now Bob is 2.5 times as old as Al. In 5 years he will only be twice as old. How old is Bob now? I have to write an equation and solve
Right now Bob is 2.5 times as old as Al. In 5 years he will only be twice as old. How old is Bob now? I have to write an equation and solve
You have two solutions one contains 40% acid, the other 10% acid. You require 10 gallons of a 20% solution. How much of the 10% should you use? I have to write an equation and solve.
it's a math problem tht my little sis needs help with understanding
A. y > |x + 2| + 4 B. y > |x + 2| - 4 C. y < |x + 2| + 4 D. y > |x + 6|
a 40 inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece is 5 times as long as the first piece. If x represents the length of...
1) on their vacation, the Reikos spent 1/4 of their money on gas, 1/4 on food and lodging and 1/8 on tourist attractions. What fraction of their money did they spend?If they started with $840.000,...
Calculate the simple interest : A. $4,250 saved for 3months at annual rate of 3.5%? Calculate the amount for the following: A. $158 saved for 2months at an annual rate...
Maximus invests a sum of money in a bank account which earns 2%, and increases by 1% every 6 months. The interest is compounded monthly. He pulls out $4300 out of his account after 21 months. How...
solve 9(x+6)
I have had many ways,but is there a fast and easy method of doing so?
The state fair is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented...
Water in a bucket is 3 cm deep. During a rainstorm the depth of the water increases at a rate of 2 cm per hour. Write an equation to represent the relationship between the depth of water...
If a rifle scope has 10 dots in the reticle and there value is 1 at 10 zoom. what would ones value be at 16 zoom?
Which of the following make the ineqaulity -3x+10<16 true? (can be multiple answers) I. X = -2 II. x=2 III. x=-3 Iv. x=-1 ...
I know that cellular respiration takes place in the mitochondria but why does it do so?
Mrs. Lamar has a class of 16 students. She can spend $24 on each student to buy math supplies. She first buys her students calculators which cost a total of $99.20. After buying the calculators, how...
A city council consist of 8 Democrats and 5 Republicans. If a committee of 6 people is selected, find the probability of selecting 4 Democrats and 2 Republicans.
Two different plumbing companies Bettapipes and Nodrips change according to the following table (closest thing I can do to a table): Bettapipes: 2 hours | 6 hours ...
1) 0.17 % v/v = ? ml / 100 ml 2) use the shortcut method to convert 6% w/v to mg/ml
pat has asked a professor for a recommendation for graduate school. he estimates that the probabilty that the letter will be strong is .5, the probability that the letter will be weak is .2, and mediocre...