naomiadams92 naomiadams92

29-11-2015
Mathematics

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zasha spent $6 on packages of gum.How many more packages of gum that cost $1.20 each can she buy if she has a $20 bill

Respuesta :

29-11-2015

You have to make an inequality:
1.2x + 6 ≤ 20
- 6 - 6 isolate x

1.2x ≤ 14
÷1.2 ÷1.2 isolate x

x ≤ 11.666

Since you can't buy 2/3 of a pack, she can only buy 11 pieces of gum.

Hope this helps!

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