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Last week, Tanya baby-sat 1 1/2 times as many hours as she baby-sat this week. Last week, Tanya baby-sat 12 hours. How many hours did she baby-sit this week?

A. 8 hours
B. 10 1/2 hours
C. 13 1/2 hours
D. 18 hours ​

Last week Tanya babysat 1 12 times as many hours as she babysat this week Last week Tanya babysat 12 hours How many hours did she babysit this weekA 8 hoursB 10 class=

Respuesta :

mathstudent55

Answer:

A 8 hours

Step-by-step explanation:

Last week she baby sat 12 hours.

This week she baby sat x hours.

Last week she baby sat 1 1/2 times as many hours as this week.

12 = 1 1/2 × this week

12 = 1 1/2 × x

1.5x = 12

x = 12/1.5

x = 8

Answer:

A 8 hours

aniyahibbott

Answer:

The answer is D

multiple fraction 1 1/2 by the numbers of hours last week.(12)

=11/2 *12

change it to an improper fraction

=3/2 *12

multiple numerators

=3*12/2

=36/2

=18 hours Answer is D

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