Answer:
3300-2700= 600 x 6 = 3600
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
Triangle is isosceles triangle X = 9
