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2 years ago

500g of an item costs $12. Use the unitary method to find the equivalent cost of 320g.

Mathematics

1 answer:

zepelin [54]2 years ago

5 0

A) 500g=$12 -> 100g=12:5 100g=$2,40
20g=2,40:5=$0,58
320g=3x2,40+0,58
320g=7,20+0,58
320g=7,78$

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