Question

m4|l7 one hundred percent
at the grocery store, the jumbo - sized boxes of berries decreased by 20%. if the old boxes held 40 ounces of berries, how much do the new boxes hold?
80% is the same as 100% - 20%. you already know the value of 100%, so start by finding the value of 20% on the double number line
berries (ounces)
0% 20% 40% 60% 80% 100% 120%
0 □ ? 40
80%·40 =?
0.80·40 =?

Explanation:

Step1: Understand the percentage decrease

The old boxes hold 40 ounces (100%). The new boxes have a 20% decrease, so they hold \(100\% - 20\% = 80\%\) of the old amount.

Step2: Convert percentage to decimal

\(80\% = 0.80\) (since to convert a percentage to a decimal, we divide by 100, so \(80\div100 = 0.80\)).

Step3: Calculate the new amount

Multiply the old amount (40 ounces) by the decimal equivalent of the new percentage: \(0.80\times40 = 32\).

Answer:

The new boxes hold 32 ounces of berries.