exam Maths Puzzle Numerical Ability

Find the solution sets of the following simultaneous equations, solving for x and y.

(a) bx+y = a

ax-y = b

Read Solution (Total 0)

exam Other Question

hi! I am solving for base and rounding to the nearest hundreth as needed. I know that base= portion/rate however I can not figure these two problems out.

1. 36 is .75% of

2. 10,800 is 90% of

thanks!
A mixture of birdseed contains sunflower seeds worth $1.30 per kilogram and other seeds worth #0.90 per kilogram. How many kilograms of each kind must be used to produce 100 kilograms of mixture that sells $1.00 per kilogram?