객관식
Translate & solve the percent problems below.
Saphia’s lunch bill was \$17.65. She wants to leave an 18% tip. How much should the tip be?
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1. Introduction to Macroeconomics
Percentage and Decimal Review
객관식
Last season, a farmer harvested 500kg of rice. Due to improved techniques, the harvest is estimated to increase by 20% this season. How much rice is the farmer looking to harvest this season?
A
400 kg
B
500 kg
C
600 kg
D
520 kg
검증된 단계별 안내1
Identify the initial quantity of rice harvested last season, which is 500 kg.
Understand that the harvest is expected to increase by 20%, meaning the new harvest will be 20% more than the previous amount.
Convert the percentage increase into a decimal for calculation: 20% becomes 0.20.
Calculate the amount of increase by multiplying the initial harvest by the decimal increase: \(500 \times 0.20\).
Add the increase to the original harvest to find the estimated new harvest: \(500 + (500 \times 0.20)\).
관련 영상
관련 실천
