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maw [93]
3 years ago
14

Juan is saving to purchase a new computer and has saved $213. He earns $3 a day and needs at least $654 for the computer he woul

d like to purchase. How many weeks will it take him to save for the computer?
Mathematics
1 answer:
zysi [14]3 years ago
4 0

Answer:

Juan has to work at least 21 weeks.

Step-by-step explanation:

Juan earns $3 a day, then he earns $21 per week.

Let x be the number of weeks Juan works. He will earn $21x in x weeks.

Juan has saved $213,

He earns $21x,

Juan's total earnings are $213+$21x.

He needs to save at least $654, so

213+21x\ge 654\\ \\21x\ge 654-213\\ \\21x\ge 441\\ \\x\ge 21

Juan has to work at least 21 weeks.

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