Question

Please do all of them, even the ones that are answered!

Answer 1

1.
$density = \frac{mass}{volume} \\ = 4480 \div 0.5 = 8960kg {cm}^{ - 3}$
2.
$15 \times 8 = 120$
3.
$7.50 \times 3 = 22.50dollars$
4. you got this one correctly
5.
$465 \div 8 = 58.125 \: milesperhour$
6.
$1000 \div 4.5 = 222.2 \: feet \: per \: seconds$
am going to number 10
10.
$october \: has \: 31 \: days \\ 38.75 \div 31 = 1.25dollars \: per \: day$


9. 16 oz bottles at 1.25 dollars is cheaper than 20 bottles at 1.55 dollars so that 16 bottles is the best to buy