Set up and solve a system of equations to solve the problem. Helene invested a total of $1,750 in two simple-interest bank accounts. One account paid 4% annual
interest; the other paid 8% annual interest. The total amount of interest she earned after 1 year was $90.
Find the amount invested in each account.
Helene invested $
in the 4% Interest account and $
in the 8% account.

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.

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x-3y=4

step-by-step e

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

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