Jack decides
Jack decides to hire a car. The cost 45+20D is dollars, where is the number of days Jack hires the car for. If Jack hires the car for four days, what will it cost? Dollars
Correct answer:

You need to know the following knowledge to solve this word math problem:
Units of physical quantitiesGrade of the word problem
Related math problems and questions:
- Car rent 2
The cost (c), in dollars, charged by a car rental agency is calculated using the equation c = 12 +0.29m, where m represents the distance traveled in miles. Calculate the distance traveled for the cost of $56. 37.
- The price 5
The price of a visit to the dentist is calculated according to the formula 50+100n, where n is the number of cavities the dentist finds. On your last visit to the dentist, 2 cavities were found. What was the cost of your visit?
- Francesca 2
Francesca applied the steps below to find the product of (-1.2)(-9.4). Step 1: (-1.2)(-9.4) = (-9.4)(-1.2) Step 2: = (-9.4)(-1) + (-9.4)(-0.2) Step 3: = (9.4) + (1.88) Step 4: = 11.28 Which step shows
- Working group
20 men complete one-third of a piece of work in 20 days. How many more men should be employed to finish the rest of the work in 25 more days?
- Three workers
Three people - A, B, C . A and B can do a piece of work in 18 days, B and C can do it in 24 days, A and C can do it in 36 days.In how many days B alone can finish the work?
- Exactly 4
Exactly 1/6 of the kids are playing on the playground. Exactly 3/5 of the kids are playing soccer. Jack adds 1/6 + 3/5 to find the total fraction of kids at the park playing on the playground or playing soccer. Is he correct?
- Horseback riding
The total cost to go horseback riding is x dollars per hour plus a $2 fee for renting a helmet. Which expressions represent the cost, in dollars, for 4 people to go horseback riding for 3 hours each? Select all that apply. Responses: A = 4(3x+2) B = 3(4x+