Question

The height-to-arm-length ratio of a tyrannosaurus is 20 feet to 3 feet. A human is 8 1/2 heads tall. Use this ratio to determine the arm length of a human if the human were built like a tyrannosaurus.

Answer 1

is that 8.5 feet tall

Answer 2

do you know the answer?

Answer 3

yes

Answer 4

can you solve it?

Answer 5

can someone sove this?

Answer 6

ok set up the ratio like this
two fractions set equal to each other
T_height/T_armLength = H_height/H_armLength
20/3 = 8.5/x
cross multiply
20x = 3*8.5
x=25.5/20

Answer 7

is that star multiply?

Answer 8

yes