Ann paid $5.20 in sales tax for an $80 purchase. What percent sales tax did Ann pay on her purchase?

6.5%

You can use proportion:

80 is 100%

5.20 is x %

80/5.20=100/x

80x=5.20*100

80x=520

x=6.5

So Ann paid 6.5% sales tax on her purchase.

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

hence, the required result is

step-by-step explanation:

suppose we have two matrices a and b

we will assume the two matrices

we have to compute b-a which means subtracting corresponding elements of a from b.

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