In 2000 pizza costs 7.50 and in 2015 it costs 9.00 what is the percentage of change in the cost of the pizza
1 answer:
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longest part = 18 m
add the parts of the ratio 2 + 3 = 5
divide 30 by 5 to find the value of 1 part of the ratio
= 6 ← 1 part
2 parts = 2 × 6 = 12 m
3 parts = 3 × 6 = 18 m ← longest part