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Evelyn is making a costume for her school play. She needs to buy 2 yards of cotton fabric at a cost of $3.49 per yard, and 1/2 yard of satin fabric at $5.98 per yard. She has $15 to spend on the fabric. Use mental math to determine if she will have enough money. Explain

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round 3.49 to 3.50
multiply by 2: 7 dollars
round 5.98 to 6.00
multiply by 1/2: 3 dollars
7 dollars +3 dollars= 10 dollars
She will have enough money
User Andrii Kovalenko
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