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GrogVix [38]
3 years ago
11

There are 480 dishes that need to be rinsed. Juan can rinse them in 80 minutes by himself. It will his friend Kevin 120 minutes

to rinse these dishes. How long will it take them if they rinse these 480 dishes together ?

Mathematics
1 answer:
andreev551 [17]3 years ago
5 0

Answer:

48 minutes.

Step-by-step explanation:

Number of dishes rinsed by Juan in <em>1</em><em> </em><em>m</em><em>i</em><em>n</em><em>u</em><em>t</em><em>e</em><em> </em>

= 480/80

= 6

Number of dishes rinsed by Kevin in <em>1</em><em> </em><em>m</em><em>i</em><em>n</em><em>u</em><em>t</em><em>e</em>

= 480/120

= 4

Number of dishes rinsed by Juan and Kevin in <em>1</em><em> </em><em>m</em><em>i</em><em>n</em><em>u</em><em>t</em><em>e</em>

= 6 + 4

= 10

Hence, time taken by Juan and Kevin to rinse the dishes

= 480/10

= <u>4</u><u>8</u><u> </u><u>m</u><u>i</u><u>n</u><u>u</u><u>t</u><u>e</u><u>s</u>.

Hence It will take <u>4</u><u>8</u><u> </u><u>m</u><u>i</u><u>n</u><u>u</u><u>t</u><u>e</u><u>s</u> for them to rinse the dishes.

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