Answer:
31.25×
Step-by-step explanation:
suppose that the value of x was 3 . that would mean that they bought 3 calculators .
if one calculator is $31.25 then 3 would be $31.25× 3
the same rule would apply for x
Answer:
x=-5
Step-by-step explanation:

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Answer:
7)no
Step-by-step explanation:
When you plug in the numbers
3(2)-0=-6
6-0=6
6 does not = -6
8.8 rounding the remainder