stephanie105 stephanie105

02-12-2017
Mathematics

contestada

4) A safe contains 120 coins, the value of which is $10. If the coins consist of nickels and dimes, how many of each kind are in it?
5) A sum of $14 is made of 92 coins, consisting of dimes and quarters.How many are there of each kind of coin?
6) A boy's coins, consisting of nickels and dimes, amount to 42.15. If the number of dimes exceeds 3 times the number of nickels by 4, find the number of each kind of coin?

Respuesta :

kaitlyn67 kaitlyn67

02-12-2017

120=x+y and 10=.05x+.10y
120-x=y then subsitute 10=.05x+.10(120-x) distruibte and solve you can do it feel free to go off of my math.
x(nickels) y(dimes)

Answer Link

Otras preguntas

a 1.00-l solution contains 2.50×10-4 m cu(no3)2 and 1.20×10-3 m ethylenediamine (en). the kf for cu(en)22 is 1.00 × 1020. chegg

Two musicians joined Bill Monroe's band in 1945 and had a major impact on the band's sound. Who were they? O A. Don Reno and Red Smiley B. Earl Scruggs and Lest

read the passage from sugar changed the world. but it is in india, where it was used, which details would best fit in a summary

Which line is made up of trochees? A. it's unusually hot. B. Consider what i say C. Pardon me for asking. D. Tackle the quarterback

b. Identify and explain ONE specific similarity between the cultures of the indigenous peoples of the Northeast settlements and Great Basin/Great Plains settlem

exercises 13–20, find a set of parametric equations of the line. 13. the line passes through the point and is parallel to the xz-plane and the yz-plane.

A survey of 163 persons was conducted at TCC, and it was found that 90 persons carried a cell phone, 81 persons carried a tablet computer, and 43 carried both a

the sale price of a property is $230,000. transfer tax to be paid by the seller at closing, based on $0.50 per $500, will be

What does a negative acceleration indicate? Speeding up Staying constant speed moving forward moving backward

galatics years. the time the solar system takes to circle around the center of mily way galaxy a galatic year is about 230