fierrojose8
Answered

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You are trying to save $20 a week to buy and use cd player. During the last 4 weeks you have saved $35, $15, $10 and $12. How much do you need to save this week to average $20 for the 5 weeks.

Sagot :

mariamikayla
(35+15+10+12+x)/5=20

(72+x)/5=20

72+x=20 * 5

72 +x =100

x= 100 -72

x= 28$ do you need to save this week
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