mental arithmetic
posted by mackenzie .
7/20 of £2.00 equals how many pennies?
16 2/3 equal ?/3
19min plus ?hours plus ?min equals 3hours
thank u to all who help :D

mental arithmetic 
Ms. Sue
Divide 2.00 by 20 and multiply the quotient by 7.
16 2/3 = 50/3
What do you think about the last problem? 
mental arithmetic 
mackenzie
don't know please can u tell me the process of getting the answer?

mental arithmetic 
Ms. Sue
What is 3 hours minus 19 minutes?
Take it from there.
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