last year maya had $10000 to invest. she invested some of it in an account that paid 7% simple interest per year and she invested the rest in an account that paid 5% simple interest per year. After one year, she received a total of $680 in interst. How much did she invest in each account?

answer: i can’t tell you that

step-by-step explanation:

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

i need a diagram

step-by-step explanation:

no