It should be D, i just used trial and error. A, an arrow doesnt go back up after falling. B it decreases by 10% then 5% then it goes back up. C, a package will cost more the more it weighs. and D roller coasters go up and down
Answer:
$0.94 per pound
Step-by-step explanation:
To find the unit rate, make an equation and simplify it.
<em>2 pounds = $1.88</em>
<em>1 pound = ($1.88 ÷ 2) $0.94</em>
Hence, It costs <em>$0.94 per pound</em>
Answer:
The LCM of 20 and 30 is 60.
Step-by-step explanation:
LCM means the least common multiple.
The LCM of two numbers means the least multiple both numbers share.
Use the listing method:
Multiples of 20:
20, 40, 60, 80, 100, ......
Multiples of 30:
30, 60, 90, 120, 150, ...
The LCM is 60 because that is the least common multiple 20 and 30 have.
Hope this helps
Answer:
:((((((((((
Step-by-step explanation: