exam Maths Puzzle Numerical Ability

(3x+7)(2x-5)

Read Solution (Total 0)

exam Other Question
hi

I have 3 quastion and tommorow I have exam of this Quastion I neeeed help



1.Calculating Rates of return. In 2006, a 50-cent piece issued in 1904 sold for $1,300 . What Please help me to solve these equations using the elimination method?

0.06x+0.05y=0.07
0.4x-0.3y=1.1


-4.5x+7.5y=6
-x+1.5y=5


17x+21y=1
17x-5y=6

Thank you