Which of these machines fills more ice cream cups in a minute?
Machine A - Filled 60 cups in 1 hour
Machine B - Filled 40 cups in 20 minutes.
How many ice cream cups can be filled by both machines in 1 hour?

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Solution

Machine A
Number of cups filled in 1 hour = 60
Number of cups filled in 1 minute = $60 \div 60$ = 1

Machine B
Number of cups filled in 20 minutes = 40
Number of cups filled in 1 minute = $40 \div 20$ = 2
Machine B fills more cups in a minute.

Total cups filled by both the machine in a minute = 2 + 1 = 3
Total cups filled by both the machine in 1 hour = $3 \times 60$ = 180

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Which of these machines fills more ice cream cups in a minute? Machine A - Filled 60 cups in 1 hour Machine B - Filled 40 cups in 20 minutes. How many ice cream cups can be filled by both machines in 1 hour?

Which of these machines fills more ice cream cups in a minute?
Machine A - Filled 60 cups in 1 hour
Machine B - Filled 40 cups in 20 minutes.
How many ice cream cups can be filled by both machines in 1 hour?