Answer:150/3.5
Step-by-step explanation:
Answer:
240
Step-by-step explanation:
3 times 80 is 240 and 7 times 80 is 560. added together is 800. 800 is the total amount of people, so it works.
Answer:

Step-by-step explanation:

The radical symbol when used for a square root means the non-negative square root. You cannot state that sqrt(x^2) = x because x may be negative. That is why you need use the absolute value symbol.
Answer:
Jim can type 315 words in 3.5 minutes.
Step-by-step explanation:
90 x 3.5
Answer:
15
Step-by-step explanation: