given:
8l = 15w
then w = 8l/15
Perimeter = 2l + 2w
2l + 2(8l/15) = 230
times 15
30l + 16l = 3450
46l = 3450
l = 75
then w = 8(75)/15 = 40
the yard is 40 ft by 75 ft
check:
is 15(40) = 8(75) ??? YES
is 2(40) + 2(75) = 230 ?? , YES
A yard has a perimeter of
230
feet. If
eight
times the length of the yard equals
fifteen
times the width, what are its dimensions?
2 answers
the answer is 30 ft by 85
7 answers