Ratio and proportion
15 pages/2hours=150 pages/x hours
cross multiply
15x= 300
x-20
it will take Amanda 20 hours to read the entire book
Answer:
1. 
2. 
Step-by-step explanation:
1. You know that the average mass of an onion is 115 grams and Bill needs 4.0 pounds.
Then, since
, we can make the following conversion:

Then, the number of onions Bill needs is:
≈ 
2. Since
, we can make the following conversion:

Knowing that all the potatoes sold today at the store bring in $1,420 and 4.98 kilograms of potatoes is $1.75, we can calculate the amount of kilograms the grocery shoppers bought:

1lbs is 16oz, so do the math: 16x3 is 48. 3lbs is 48oz, meaning this is false.
Answer:
X = 13
Step-by-step explanation: