4x+2y=22, (y/2)+(x/4)=2.5
x=4,y=3
IL
Related Maths GCSE answers
All answers ▸Rationalising the denominator (Surds)
How do I work out the length of sides on a right-angle triangle?
There are n sweets in a bag. 6 of them are orange, the rest are yellow. Hannah takes a random sweet, she eats the sweet and repeats again. The probability that hannah eats two orange sweets is 1/3. Show that n2 - n - 90 = 0.
Sophie had 3 piles of coins, A, B and C. Altogether there was £72. Pile B had twice as much as pile A. Pile C had three times as much as pile B. How much money was in Pile C?