Step-by-step explanation:
Since we have given that
Number of muffins Diana sold at the bake sale = 336
Number of muffins Bob sold at the bake sale = 287
Now, here we are using the method of estimation i.e. rounding the integers to nearest ones.
By estimation, we get
Number of muffins Diana sold at the bake sale = 340
Number of muffins Bob sold at the bake sale = 290
So,
Difference between them is given by

Hence, Bob sold 50 fewer muffins than Diana.
Answer:
The temperature after 10 hours is -9 ºF.
Step-by-step explanation:
This statement can be translated mathematically as follows. The temperature after 10 hours from sunrise is:


The temperature after 10 hours is -9 ºF.
Plug in the numbers and solve:
8.5(<u>3</u>) + 7.9(<u>4</u>) = <u>25.5</u> + 31.6
= <u>57.1</u>
Answer: 300
Step-by-step explanation: 70days is 10 weeks