Pure acid is to be added to a 10 % acid solution to obtain 21 L of a 40 % acid solution.

What is the answer to 39c 33c-78

60/5 (7-5) = 2 I got 24, but some other people got 6. 60/5 (7-5) - P 60/5 (2) - M/D (left to right) 12 (2) - M/D (left to right) =24

What percent of 145 is 82

Solve by using Elimination. 2x - y = - 3 3x + 4y = - 32 (1, 4) (-1, 1) (-4, - 5) (0, 3)

15 out of 25 students are boys in class. What percent are boys and what is the ratio in class?

Clearance rack is marked 35% off The regular price

When looking at a rational function f of x equals the quantity x minus six times the quantity x plus three times the quantity x plus four all divided by the quantity x plus six times the quantity x minus three times the quantity x minus four, Jamal

If seven men can do the job in 6 days how many men can do the work in 3 days

At the pizza place, a large pizza costs 12.89. Extra toppings are available for 1.25 each l. If Elijah paid for his pizza with a $20 bill, what is the most extra toppings, x, he could have ordered?

How do i write the answer to 341+172 in expanded form