Answer:
Your right the answer is B a=60
, b=120
A ratio of 1:2 just means one value is twice that of the other.
Answer: 7.5
Step-by-step explanation:
Per 2 mile she ran 15m
Per one it’s 7.5m
Answer:
Step-by-step explanation:
From the given table,
A. The unit rate for each car is,
Car A = 
= 32 miles per gallon
Car B = 
= 34 miles per gallon
Car C = 
= 35 miles per gallon
Car D = 
= 31 miles per gallon
B. From the derived values in A, the car that uses the least amount of gas is Car C.
C. Total distance covered = 496 miles x 4
= 1984 miles
The gallons of gas the Car A would need for the journey can be determined by;
Car A requires 1 gallon for 32 miles
So that for 1984 miles = 
= 62 gallons
Car A would need 62 gallons of gas to make the trip.
D. Amount spent on gas for Car A = $2.12 x 62
= $131.44
E. speed = 
⇒ time = 
Given the for Car A, speed = 68 miles per hour.
time = 
= 29.1765
time = 29 hours
It would take approximately 29 hours for Car A to cover the total distance of 1984 miles.
To find scale we have to provide common unit, so inches.
10 foot = 120 inch becauyse 1 foot = 12 inch so
10foot*12=120 ich
Now
8 inch in drawing is 120 in real, so the scale is 8:120
X = 0, for starters. Also, X + Y = Y( true for any Y value when X = 0)