ahmadalaska907 ahmadalaska907

01-08-2020
Mathematics

contestada

winthrop has $4.40 worth of nickles and dimes. If winthrop has 3.5 times as many nickles as he has dimes, how many dimes does he have?

Respuesta :

MathPhys MathPhys

01-08-2020

Answer:

16

Step-by-step explanation:

If n is number of nickles and d is number of dimes:

5n + 10d = 440

n = 3.5d

Substitute:

5(3.5)d + 10d = 440

17.5d + 10d = 440

27.5d = 440

d = 16

Answer Link

Otras preguntas

Earth Science Help?! Please help me do #18. Picture inside :)

The head of the state executive branch is the a. governor. c. lieutenant governor. b. secretary of state. d. attorney general.

Jenna bought 5 pounds of apples for $6.85. What is the unit price per pound of apples?

marshallow writing template

A serious risk factor associated with the operation of a nuclear power plant is the production of (1) acid rain (2) helium gas (3) greenhouse gases, such as CO2

4. A new spiral notebook contains 30 more sheets of paper than a new memo book. The total number of sheets of paper in 3 new spiral notebooks and 5 new memo boo

A manager of a sporting goods store raises the price of a basketball from $16 to $18. What is the percent of increase?

Rachel's cell phone company charges $0.10 per minute. She used 350 minutes last month and paid $84. Write and solve a linear equation to find what her bill will

Jamie , an electrician , worked 7 months out of the year. What percent of the year does he not work? ( round answer to the nearest hundredth)

How is earth atmosphere like and dislike an ocean