x = 25
dog house:
a = 6 *height
b = 5 *base
Jane's house
c = 30 *height
d = ? *base
a / b = c / d
6 / 5 = 30 / d
When two ratios are equal. then the cross products are
equal.
6d = 5(30)
6d = 150
d = 150/6
d = 25
to check:
6d = 5(30)
6(25) = 150
150 = 150
