14 x 20 = 280
tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?
form a ratio 1: 12 = 2: 8
more girls chose canoeing as their favorite outdoor activity than those who chose skiing.
more boys chose skiing as their favorite outdoor activity than girls.
there were more boys surveyed than girls.
more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.
the last answer: -
number choosing camping = 81 and the number choosing canoeing or fishing = 35 + 45 = 80.
to find a side length of similar triangles, write two equal ratios and set them equal in a proportion. the ratios should be written using the side lengths in each triangle which correspond to each other.
this proportion compares the short side of the largest triangle to its hypotenuse and compares the short side of the smallest triangle to its hypotenuse. to solve for x, cross multiply by multiplying numerator and denominator.