Question

Susan can type 10 pages in 5 minutes. Mary can type 5 pages in 10 minutes. Working together, how much time would they need to type 50 pages

Answer 1

Answer:

Step-by-step explanation:

susan can type 2 pages in 1 min

mary can type 0.5pages in 1 min

so, both of them work together they type 2.5 pages in 1 min

so,in 30 min they type (30*2.5)= 75 pages

Thanks

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