An algebra problem by Julius Victor Magdaong
Algebra
Level
pending
I am thinking of two consecutive even number. I subtracted the smaller number to the larger number. I multiplied the difference by 10, and divided it by 5. I added 3 to the quotient, and subtracted 7 to it. What is the final number?
4
0
7
11
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1 solution
Let a and a+2 be the consecutive numbers. The instruction asks us to subtract the larger number to the smaller number. a+2-a = 2 Then following the other instructions, 2*10 = 20, 20/5 = 4, 4+3 = 7, 7-7 = 0.