suppose MarryAnn puts 5 gallons of gas in her car and can drive 155 miles. Her gas tank holds 18 gallons of gas. How many miles
1 answer:
She can drive 558 miles with 18 gallons of fuel.
Step-by-step explanation:
Given,
Distance traveled with 5 gallons = 155 miles
Distance traveled with 1 gallon =
Total fuel hold by tank = 18 gallons
Total distance = Distance traveled with 1 gallon * Total fuel hold by tank
Total distance =
Total distance = 558 miles
She can drive 558 miles with 18 gallons of fuel.
Keywords: multiplication, unit rate
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Given:
Principal = Rs. 2000
Rate of interest = 20% p.a. compounded quarterly.
Time = 1 year
To find:
The compound interest.
Solution:
Formula for amount:
where,
P = Principal
r = Rate of interest
t= Time
n = number of times interest compounded in an year.
Putting P=2000, r=0.2, n=4 and t=1, we get
Now, the compound interest is
Therefore, the compound interest is Rs 431.0125.