There are n boys and m girls scouts. If two boy scouts and two girl scouts are chosen, the number of combinations is 160 and the total number of scouts is 26. Calculate the value of n and m if n > m. |
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I have gotten the answers for this question but I couldn't get why nC2 × mC2 = 26 is wrong instead of nC2 + mC2 = 26?​

In the surface area formula for cylinders which expressionrepresents the lateral area

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

For how answer my question this will be the last question can you answer in math subject