Mathematics, 07.11.2020 04:10, silvijaaa

A student charges $31.50 for 3 hours of babysitting. If the amount the student earns babysitting is proportional to the hours spent babysitting, which equation models the amount of dollars, y, the student earns for x hours of babysitting? A. y is equal to 0.1 x
B. y is equal to 3.0 x
C. y is equal to 10.5 x
D. y is equal to 31.5 x

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A student charges $31.50 for 3 hours of babysitting. If the amount the student earns babysitting is...