13 + 21 = 13- -21
The minus sign and negative cancel each other out.
Answer:
$3.13
Step-by-step explanation:
Get the price per oz:
5/16 = 0.3125
Multiply that by the amount of ozs you are looking to buy:
0.3125 x 10 = 3.125
Round to get your answer
Answer:
114.31 nautical miles per day
Step-by-step explanation:
Use formula

where S is the distance, t is time and v is rate.
If S=11431 nautical miles and t=100 days, then

Answer:
7
Step-by-step explanation:
If each pack of green beans makes 12 bowls of soup then it would take 7 packs to make 84. 84/12=7