Aubrey wants to join planet fitness. She has a coupon that will give her $7.50 off the monthly rate for the first four months. With the coupon, her total cost for the four months is $50. What is the regular monthly fee without the coupon?

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Step-by-step explanation:

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step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.