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Finley's pumpkin had a mass of 6.5 kilograms
(kg) before he carved it. After it was carved, the pumpkin had a mass of
3.9kg.
What was the percent decrease in the mass of the pumpkin?

%

Finley's pumpkin had a mass of $6$ . $5$ kilograms $(\mathrm{kg})$ before he carved it. After it was carved, the pumpkin had a mass of $3.9 \mathrm{~kg}$ . $\newline$ What was the percent decrease in the mass of the pumpkin? $\newline$ $\%$

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Percent of change: word problems

Full solution

Q. Finley's pumpkin had a mass of

6

.

5

kilograms

(\mathrm{kg})

before he carved it. After it was carved, the pumpkin had a mass of

3.9 \mathrm{~kg}

.

\newline

What was the percent decrease in the mass of the pumpkin?

\newline

\%

Calculate Mass Difference: Calculate the difference in mass before and after carving the pumpkin. $\newline$ Original mass: $6.5\,\text{kg}$ $\newline$ Mass after carving: $3.9\,\text{kg}$ $\newline$ Difference in mass: $6.5\,\text{kg} - 3.9\,\text{kg} = 2.6\,\text{kg}$
Determine Percent Decrease: Determine the percent decrease in mass based on the original mass. $\newline$ Percent decrease = $(\text{Difference in mass} / \text{Original mass}) \times 100\%$ $\newline$ Percent decrease = $(2.6 \, \text{kg} / 6.5 \, \text{kg}) \times 100\%$
Perform Calculation: Perform the calculation to find the percent decrease. $\newline$ Percent decrease = $(2.6 / 6.5) \times 100\%$ $\newline$ Percent decrease = $0.4 \times 100\%$ $\newline$ Percent decrease = $40\%$

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