I am unable to solve this problem. Tap for examples... if prices increase at a monthly rate of  2.4%, by what percentage do they increase in a year?

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Step-by-step explanation:

We have been given that prices  increase  at  a  monthly  rate  of  2.4%. We are asked to find the percentage at which prices will increase in a year.

We know that 1 year equals 12 months.

To find the increase in one year, we will multiply monthly increase rate by 12 as:

Therefore, the prices will increase at a rate of in a year.

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step-by-step explanation:

ever thing time 1 is a multiply by 1 it get  

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.