book
Maths Puzzle
Numerical Ability
50=15-6(2x-5)
and
3(-6x+9)-10x=1
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book Other Question
-36x-10+37x=-12-(-14)
I have tried combining like terms but I am afraid that I am not getting the right answer....
-12+14=2
and -36x+37x=1x = -9 ??? I am just confused
Translate to a proportion and solve.(round to the nearest hundreth if need)
(1) what number is 15% of 135
(2) 3 is what percent of 87?
(3) 19.6 is 28% percent of what number?