Mathematics, 08.12.2020 01:00 gonzalesnik
Cecilia simplified an expression. Her work is shown below. (6 and one-half + 2 and three-fourths) minus 1.5 times (4.5 divided by 0.5) Step 1 9 and one-fourth minus 1.5 times (4.5 divided by 0.5) Step 2 7.75 times (4.5 divided by 0.5) Step 3 7.75 times 9 Step 4 69.75 Where did Cecilia make her first mistake?
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Cecilia simplified an expression. Her work is shown below. (6 and one-half + 2 and three-fourths) mi...
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