Answer:
I think it is supplementary
Answer:
Step-by-step explanation:
Percent: The percent is the number with the % symbol: 20%.
Base: The base is the whole amount, which in this case is unknown.
Amount: The amount based on the percent is 40
Base = unknown
Answer:
7 times during the first 15 minutes
Step-by-step explanation:
Remember that

so

Decompose the numbers 18 and 42 in prime factors
we know that


Find the least common multiple (LCM)
The LCM is

we need to find all multiples of 126 that are less than or equal 900.

therefore
7 times during the first 15 minutes
Answer:
45 mph the the middle one
Step-by-step explanation:
i did the same one and got 45 and its right
Answer: 12
Step-by-step explanation:
(55-52) + ( 3 +6)
3 + 9
12