Answer:
80
Step-by-step explanation:
that differences are that mass is a measurement of the amount of matter something contains and mass is measured by using a balance comparing a known amount of matter to an unknow of matter
A line means divided by
So basically if it was 1/2, then it would be 1 divided by 2.
P. S. 1 divided by 2 is not the answer I'm just explaining what a line is
Okay. So 90 yds was cut from the 230 yd yarn. 230 - 90 = 140. 1/2 of 140 is 70. 230 - 70 = 160. The yellow yarn was 160 yds longer than the blue yarn at first.
Answer:
9 x + 42.
Step-by-step explanation: