Posted by Anabeth on Tuesday, November 6, 2012 at 6:44pm.
Sunny received 90 on his math test. If he got x number of 3 point problems and y number of 5 point problems correct, write an equation for y in terms of x. Also write an equation for x in terms of y

Algebra  Steve, Tuesday, November 6, 2012 at 8:53pm
3x + 5y = 90
y = (903x)/5
x = (905y)/3