you would do PEMDAS
you do -3 times 4. then you do that and devide by -3.
Step-by-step explanation:
Imagine placing 10 apples in a row.
We have an extra 2 baricades that we can place between any 2 apples, so that a total of 3 groups will be formed.
This is the same as choosing 2 of the 12 items to be barricades.
Hence the answer is 12C2 = 66.
Answer:
129:175
Step-by-step explanation:
Andy and Christopher are measuring a liquid solution using a graduated cylinder
Andy uses 3.5 liters of the liquid solution
3.5 liters to mililiters
= 3.5 ×1000
= 3500 mililiters
Christopher uses 2580 mililiters
Therefore the ratio of Christopher's measurement to Andy's measurement can be calculated as follows
= 2580/3500
= 129 : 175
Hence the ratio of Christopher's measurement to Andy's measurement is 129:175
Honestly I couldn't understand most of that but if one gallon of oil is needed to fry 6 potatoes, and he wants to fry 18 potatoes, then he'll end up using 3 gallons
