lacipumkinjaj lacipumkinjaj

14-12-2019
Mathematics

contestada

Kendra has $ 7.35 in nickels and quarters. If she has 15 more quarters than nickels, how many of each coin does she have?

Respuesta :

kael1995 kael1995

14-12-2019

x*5 - quarter amount

(x+15)*25- nickels amount

(x*5)+((x+15)*25)=735

5x+25x+375=735

30x=735-375

30x=360

x=360/30=12 - number of nickels

x+15=12+15=27 - number of quarters

CHECK

12*5=60 ¢

27*25=675 ¢

675+60=735 ¢ or $7.35

Answer Link

Otras preguntas

Photosynthetic cyanobacteria caused an increase in atmospheric levels of what

Part 2! I REALLY, REALLY NEED HELP ON THIS QUESTION!!!!!!!! 50 POINTS!!!!!!!!! WILL GIVE THE BRAINLIEST TO CORRECT ANSWER!!!!!!!!!!!!! nth term ________________

How does altering the dna of a peanut affect the proteins in peanuts that cause allergic reactions?

Please select the word from the list that best fits the definition When elements that form a mineral dissolve in hot water, they form a mixture called a(n) ___

What are two ways that liquid wastes are removed from your body?

According to the law of conservation of mechanical energy, if the only force acting on this pendulum is gravity, the total energy of the system is _____.

Una cola, una limonada, _____

In the diagram, segments BG , CF , and DE are parallel. The length of segment BD is 6.32 feet, and the length of segment DE is 6 feet. Find the lengths o

Which is a point mutation? frameshift insertion deletion missense

In what ways does napoleon set himself apart from the other animals?