Answer:
5 7/20
Step-by-step explanation:
-3 4/5+9 7/10-11/20
=-19/5+9 7/10- 11/20
=-19/5+97/10-11/20
=59/-11/20
=107/20
=5 7/20
Answer:
m = -30
m = slope
Step-by-step explanation:
(1,57) and (2,27)
(x1,y1) and (x2,y2)
y2 - y1. 27 - 57
---------- =. ---------- =. -30/1 = -30
x2-x1. 2 - 1
27.75/5 = $5.55 per book
32.16/6 = $5.36 per book
The online store is the cheapest because it has the lowest unit rate
The ratio for the problem above is one to four. A ratio is a relationship between number which describes how many times the second number contains the first number. The problem above gave two metric unit of length which are the centimeter and meter and the ratio between those two is one to a hundred. Therefore, we have a comparison between two amounts which are 75 and 300 and we can conclude a ratio of one to four.
