1. Edwin was asked to paint a wall with an area of 84m², after an hour, he had painted 21m2. What percent of the wall was left unpainted? A. Asked:_________B. Given:_________ C. Operation/ Formula to use:___________ D. Number Sentence:__________ E. Solution/ Complete Answer_____________
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Asked: What percent of the wall was left unpainted?
Given: 84m², 21m²
Operation: Subtraction, Division, and Multiplication
Number Sentence:
84 - 21 = 63;
63 ÷ 84 = 0.75
0.75 × 100 = 75
Solution:
84m² - 21m² = 63m²
63m² ÷ 84m² = 0.75
0.75 × 100 = 75%
75% of the wall was left unpainted.