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3 years ago

7

Determain whether the ratios are equivalent. Show work. "11 out of 14 students biked to school, 22 out of 28 students biked to s

chool " I need help!!

1 answer:

GarryVolchara [31]3 years ago

7 0

The ratios are both equivalent because if u multiplied 11:14 x 2 would give u 22:28

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the seventh and eighth grade bands held a joint concert. together there was 188 band members. if the eight grade band is 3 times

Montano1993 [528]

8th grade = 3x = 3(47) = 141 band members.

7th + 8th = 188

7th = x
8th = 3x

x + 3x = 188 ; x = 47 ; 47 + 3(47) = 47 + 141 = 188
4x = 188
4x / 4 = 188 / 4
x = 47 --> 7th grade

8th grade = 3x = 3(47) = 141

To check:
x + 3x = 188 ; x = 47 ;
47 + 3(47) = 188
47 + 141 = 188
188 = 188

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