kaylaanderson32691 kaylaanderson32691

19-09-2018
Mathematics

contestada

A person has 20 coins consisting of dimes and quarters. If the total amount of money is $3.35, how many quarters are there

Respuesta :

sqdancefan sqdancefan

19-09-2018

Let q represent the number of quarters. Then 20-q is the number of dimes. The money total is

... 25q +10(20-q) = 335

... 15q +200 = 335

... 15q = 135

... q = 135/15 = 9

The person has 9 quarters.

Answer Link

Otras preguntas

(1) Water is something most of us take for granted. (2) If we need a cold drink or want to take a shower, water is there. (3) If we want to water our yards or w

Mary works from 5:00 pm to 8:30 pm on wednesday and thursday and from 9:00 am to 3:30 pm on saturday and sundays . how many hours does mary work per week

Which shows an equation for this situation? Gary is 3 years older than twice the age of his sister, Elena. A) G = 6E B) G = 2E + 3 C) E = 3G + 2 D) G = 3E +

In the united states there are many jobs that require a person to be bilingual. which second language is most useful for employment?

What is a double bar line

20 POINTS!!! HELP URGENT!!! Using the chart above, develop an inference comparing the economic conditions in South Korea and North Korea. Use facts from the cha

what group of protein regulates cell division in eukaryotes

On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a heart attack. The doctors told

what barriers prevented plants,animals,and people from reaching north america?how were the barriers overcome?

Convert 13/25 to a decimal