As the runner weighs 2/3 as much as the weight lifter. The additional 90lbs correspond to 1/3 of the weight lifters weight. Hence the weight lifters weight is 90x3 =270 lbs
D is the answer because 3:1 is a ratio is 3*1=3 so 3 times as the scale object
Answer:
-16/7
Step-by-step explanation:
additive inverse = 0 - (the number)
= 0 - (16/7)
-16/7
HOPE IT HELPS ◉‿◉
Answer:
20
Step-by-step explanation:
There are ten steps between two neutral line crossings. Two adjacent crossings represent half of a wavelength