15 years ago pack
= 4 x 0.50 + 0.04
= 2.04
15 years ago, pack costed $2.04
Hope this helps. - M
Answer:
ST=8.8
SR=15.5
Step-by-step explanation:
ST is the difference between S and T.
that would be 16.3-7.5=8.8
similarly RT is the difference between S and R
That would be 7.5-(-8)=15.5.
