Caroline saves $45 in 4 months. at that rate, how long will it take her to save $180?
1 answer:
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8, 16, 32, 64,…
×2 ×2 ×2
First Term: 8
Second Term: 16
Third Term: 32
Fourth Term: 64
Fifth Term: 128
Sixth Term: 256
Seventh Term: 512
Eighth Term: 1024
Ninth Term: 2048
Tenth Term: 4096
Eleventh Term: 8192
Twelfth Term: 16384
Thirteenth Term: 32768
×2 ×2 ×2
First Term: 8
Second Term: 16
Third Term: 32
Fourth Term: 64
Fifth Term: 128
Sixth Term: 256
Seventh Term: 512
Eighth Term: 1024
Ninth Term: 2048
Tenth Term: 4096
Eleventh Term: 8192
Twelfth Term: 16384
Thirteenth Term: 32768