A chemical manufacturer wishes to obtain 700 litres of a 24% acid solution by mixing a 40% acid solution with a 15% solution. How many litres of each solution should be used?

What is 13/20 as a percent

The perimeter of a rectangle is 42 inches the length of the rectangle is 3 inches more then twice the width what is the size of rectangle

A train travels at a constant speed of 35 mi/h. How long does it take the train to travel 490 mi?

If 1/3 of a pound of jelly beans is shared equally between 3 brothers, how many pounds of jelly beans will each brother receive? A) 1/3 B) 1/4 C) 1/6 D) 1/9

Y=2/3x+5 find the slope and y-intercept of the linear equation

Solve the system of equations using the substitution method. y=-3x+7 x=-2y-16 Enter your answers in the boxes. x= y=

What is definition of equivalent fractions

What is the length of ef and the measure of d?

If the sum of the measure of two angles is 180º, which condition must be true?

The management of a chain of frozen yogurt stores believes that t days after the end of an advertising campaign, the rate at which the volume V (in dollars) of sales is changing is approximated by V ' (t) = - 26400 e - 0.49 t.