Asked by ninay

The ratio of Mon's pencils to Josh's pencil id 5:7. Josh has 18 pencils more than Mon. If Josh gives 9 pencils to Mon, what will be the new ratio of Mon's pencils to Josh's pencils?
Answered by Steve
m/j = 5/7
j = m+18

(m+9)/(j-9) = (m+9)/(m+18 - 9)
= ...