24-03-2018
Mathematics

contestada

A coin bank contains only pennies and nickels and has a total value of $17.00. If there are 1,140 coins, how many nickels does he have?

Respuesta :

justicedielss justicedielss

24-03-2018

n=5.6/.04
n=140 the number of nickels.
1140-140=1000 pennies.
proof:
.01*1000+.05*140=17
10+7=17
17=17

Answer Link

Otras preguntas

de que trata el mito de la calabaza

Which functions have a range of ..

Ralph Chase plans to sell a piece of property for $155000. He wants the money to be paid off in two ways - a short-term note at 9% interest and a long-term note

A bag with 12 marbles has 5 red marbles, 3 yellow marbles, and 4blue marbles. A marble is chosen from the bag at random. What is the probability that it is red?

Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve, 4x + 6 < -6

Which property of exponents must be used first to solve this expression? (iy2)1/3

Carson is going to see a movie and is taking his 2 kids. Each movie ticket costs $14 and there are an assortment of snacks available to purchase for $3.50 each.

7x-3y=23 find x when y=-2

Which car safety features absorb kinetic energy? A. Seat belts and air bags B. Seat belts and crumple zones C. Seat belts, crumple zones and air bags

Why is this false: If the national economy shrank at an annual rate of 9% per year for three consecutive years, then the economy shrank by 27% over the 3-ye