(18 neclaces)/(12 days) = 1.5 necklaces/day
_____
Rate is generally expressed in terms of quantity per time period. ("Per" means "divided by" here.) So, to find the rate, you divide the quantity by the corresponding time period, as above. There are other sorts of rates, but this is perhaps the most common.
Answer:
new york
Step-by-step explanation:
0.79 pounds for a dollar costs less than 1.31 pounds for a dollar
Answer:
0
4
15
27
Step-by-step explanation:
a) The first expression is

When a=2 and b=5, we get

b) The second expression is

We substitute a=2 and b=5;

c) The next expression is

We substitute b=5 to get:

d) The fourth expression is

When a=2 and b=5

We know that:
0<4<15<27