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artcher [175]
3 years ago
15

Jessica and her 2 sisters want to take a camping trip. They have $225 saved so far. Each of them will save $21 a week until they

have $512 to pay for the trip. How much money will they save after 4 weeks?
Mathematics
1 answer:
Bogdan [553]3 years ago
6 0

Answer:

225 + 63n for n- a natural number,

set 512=225+63n to find total number of weeks

63=21*3

use n=4 to solve the amount saved in 4 weeks

they wont 60*4=240, 240+12, 252+225=477

how much are the saving a day

what do they need to put up to have enough in 4 weeks

how much a day do the need to save to go in 1 week

etc

Step-by-step explanation:

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Given:

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