Matt charges $9 per hour to babysit. he babysat friday night for 5 hours, and then he babysat again on saturday. he earned a total of $99. for how many hours did matt babysit on saturday? choose two answers: one for the equation that models this situation, and one for the correct answer. a. equation: 9(5+x)=99 b. equation: 5(9+x)=99 c. equation: 6 hours d. equation: 11 hours

Option A. Equation: 9(5+x)=99 and

Option C. Equation : 6 hours.

Step-by-step explanation:

Matt charges $9 per hour to babysit.

He babysat Friday night for 5 hours and then he babysat again on Saturday.

His total earning s $99.00

Let Matt babysat x hours on Saturday

So total hours Matt did baby sitting = ( x + 5 ) [ Friday + Saturday ]

and total earning = 9 [ x + 5 ]

Equation to get the value of x hours will be 9 [x + 5 ] = 99.

We further solve this equation 9x + 45 = 99

                                                 = 9x = 99 - 45

                                                = 9x = 54

                                                 = x = 6 hours.

Therefore, Option A. Equation: 9(5+x)=99 and Option C. Equation: 6 hours

518,400

step-by-step explanation:

the area is multiplying all the given measurements together.

40 * 18 * 30 * 24 = 518,400

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