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Johnny has 30 marbles. Mark has m marbles. If Johnny has 10 times as many marbles as Mark, write an equation that shows how many marbles Mark has.

Respuesta :

Answer: 3

Step-by-step explanation:

From the question, we are informed that Johnny has 30 marbles while Mark has m marbles.

Since Johnny has 10 times as many marbles as Mark, it means that Johnny has: = 10 × m = 10m

Therefore, 10m = 30

m = 30/10

m = 3

Mark has 3 marbles

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