Solve the given problem.
Johny is a making face shields for medical frontliners. He has a total of 9 ½ meters of plastic acetate. Each face shield is requiring 1/4 meters of plastic acetate each. How many face shield can he make?
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Answers & Comments
ask: Number of Face shield he can make out of 9 ½ m of acetate.
Given: 9½ m of acetate he has ; ¼ m of acetate each face shield.
operation: division
number of sentence: 9½ ÷ ¼ = ?
solution: = 9 ½ ÷ ¼
= 19/2 ÷ ¼ (convert the mix fraction)
= 19 x 4
2 x 1 (butterfly method)
= 76 ÷ 2 (19 x 4 = 76; 2 x 1 = 2)
= 38
answer: the number of face shields he can make out of 9½ m of acetate is 38.