Answer:
The third one(-20+(n-1)*)
Step-by-step explanation:
It's correct because when you plug in one of the numbers in the list, it makes the equation equal. Example Below.
n=4
n=-20+(n-1)8
4=-20+(4-1)8
4=-20+3*8
4=-20+24
4=4
You can but it isnt really a good idea to do that if you want full credit
Answer:
A 3/30=x/12
Step-by-step explanation:
According to the recipe,
For 2 batches, 3 cups of flour required.
One batch has 15 mix rolls
Then 2 batches will have 2 (15) = 30 rolls
Each person gets one roll, so 3 cups of flour is required for 30 people.
The quanity of flour is proportional to the number of people.
Let x be the quantity of flour required for 12 people.
Answer:
The last package having 18 ounce beans in $6.30 is best to buy.
Step-by-step explanation:
Given that:
A 7-ounce package costs $2.52
for 1 ounce it will cost = $2.52/7
1 ounce will cost = $0.36
A 15-ounce package costs $5.55
for 1 ounce it will cost = $5.55/15
1 ounce will cost = $0.37
An 18-ounce package costs $6.30.
for 1 ounce it will cost = $6.30/18
1 ounce will cost = $0.35
So the last package having 18 ounce beans in $6.30 is best to buy.
i hope it will help you!
Answer:
3
Step-by-step explanation:
5-2=3
