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Mary saves for a holiday each year.In 2020 she saved a total of $720 In 2021, each month she saved $78The total amount Mary saved in 2021 was P% more than the total she saved in 2020(a) Work out the value of P

Question

Mary saves for a holiday each year.In 2020 she saved a total of 720In2021,eachmonthshesaved720 In 2021, each month she saved 78The total amount Mary saved in 2021 was P% more than the total she saved in 2020(a) Work out the value of P

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Solution

Sure, here are the steps to solve the problem:

Step 1: Calculate the total amount Mary saved in 2021. Since she saved $78 each month, and there are 12 months in a year, you multiply 78 by 12.

78 * 12 = $936

Step 2: Now, to find out how much more she saved in 2021 compared to 2020, subtract the total amount saved in 2020 from the total amount saved in 2021.

936 - 720 = $216

Step 3: To find out what percentage this increase represents of the total amount saved in 2020, divide the increase by the total amount saved in 2020 and then multiply by 100 to get the percentage.

(216 / 720) * 100 = 30%

So, Mary saved 30% more in 2021 than she did in 2020. Therefore, the value of P is 30.

This problem has been solved

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