20, because 15 divides by 5 is 3, And 3 times 8 is 24, And 24 minus four is 20.
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The sum of number and four times a number is 25 write in algebraic expression
5(x^2 + y)
"The sum of 4 plus 5" can be expressed mathematically as 4 + 5 = 9. Now go do your homework.
It is: 5+4 = 9
5(r+5) is.