Oranges = x
apples = y
8x + 11y = 15.22
x = 0.50
8(0.50) + 11y = 15.22
4 + 11y = 15.22
11y = 15.22 - 4
11y = 11.22
y = 11.22/11
y = 1.02 <== cost of each apple
1 and a fourth because 3 3/4 devided by three equals 1 1/4
5 x 10^-6
=0.000005 <span> in standard notation</span>
hope that helps
