C because there are 60 seconds in a minute so if you multiply 600 x 60 you get 36000
You can use a number line to add and subtract
a an c are 65 d and b are 25 those are four of them
Lets see together how it gets done
120 180
160 200
200 220
240 240
so the answer is 3 months
Answer:
the answer is D becuase it is the only one with a range of -18
