Answer:
239.92
Step-by-step explanation:
53.94×4=215.92
Then you do 21×2=24 then you take the 215.92 and the 24 and add them together and it gives you 239.92
Answer:
3.5 min
Step-by-step explanation:
First Method:
Round
to the closest integer, which is 1.
Round
to the closest integer, which is also 1.
So 1 + 1 = 2.
Answer for method 1: 2
Second Method:
+
= 
is around 1
Answer for method 2: 1
The closest answer is 1.