krishill5711 krishill5711

24-04-2021
Mathematics

contestada

sam filled a jar with 150 coins worth $11.75. how many dimes and nickles are there?

Respuesta :

25-04-2021

Answer:

65 nickels

85 dimes

Step-by-step explanation:

d+n = 150

.10d + .05n = 11.75

substitute

.10(150-n) + .05n == 11.75

15 - .05n = 11.75

-.05n = - 3.25

n = 65

d + 65 = 150

d = 85

Answer Link

Otras preguntas

A difference between the ideas of Hobbes and Locke was that

A mass is bobbing up and down on a spring. If you increase the amplitude of the motion, how does this affect the time for one oscillation?

A company mixes pecans, cashews, peanuts, and walnuts to make a batch of mixed nuts. About 15.4% of the mixed nuts in a batch are pecans. If a batch contains 77

which situation involves a conditional probability?OA. The probability that you are given a skateboard for your birthdayOB. The probability that you win the sec

plz help i need answer.

Match the following items. 1. steam engine mass production 2. spinning jenny Watt 3. flying shuttle coke 4. refined coal Hargreaves 5. the making of goods i

What structure do sediments form at the end of a river?

When a manager develops a cost of capital for a specific project based on the cost of capitalfor another firm which has a similar line of business as the projec

For a group experiment, your science class measured the fine-particulate concentrations in the air at random places around campus, and estimated a sample averag

i.m.m is very confusing