Sasha needs to score at least 360 points on four tests to earn an A. On her first
three tests she scored 86, 93, and 88.
What must she score on the fourth test
to earn an A?

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

the answer is 21%.