Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/5 of 20/40?"
35 × 2040 is 310.
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Related: 6/5×20/40 3/10×20/40 3/5×20/80 9/5×20/40 3/5×60/40 3/15×20/40 15/5×20/40 3/25×20/40 21/5×20/40 3/35×20/40
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