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Alison paid $21.75 for a number of packets of rice crackers. Three packets of rice crackers cost $1.45. How many packets of rice crackers did Alison buy?
If she were to buy 60 packets of the same rice crackers, would $30 be enough to pay for them?

Plz give me a good explanation I can understand

Respuesta :

FIRST PART OF QUESTION:
Divide the total paid by the total cost of 3 packets (bundles)

$21.75 ÷ $1.45 = 15 (bundles)

then multiple that total [which is 15(bundles)] by the total of rice cracker packets per $1.45 [which is 3]

(15 x 3 = 45) - answer to first part of question

SECOND PART OF QUESTION:
remember, a packet (bundle) of 3 cost $1.45

first, divide the number of individual packets (60) by the number of "bundle" per $1.45 (3)

60 ÷ 3 = 20 (bundles)

to find the dollar amount of the 20 bundles; multiple by the price per bundle ($1.45)

20 x $1.45 = $29

YES is the answer

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