Write and solve the system of equations

Write and solve the system of equations

Let x represent the number of nickels and y represent the number of quarters

R= speed of plane in still air C= speed of wind

You have to use system of equation in order to solve it

Write and solve the system of equations

Write a system of equations to model the situation.

Sammy asked the zookeeper how many birds and lions the zookeeper feeds. The zookeeper answered that there are 14 heads and 44 feet. How many of each animal does the zookeeper feed? Use

A chemist currently has two solutions of sodium chloride. One solution has a 5% concentrate and the other has a 25% concentrate. The chemist needs to make 10 L of a 10% sodium chloride solution. Let...

A School sells bumper sticks and magnets for parents to put on their cars. Stickers cost $3, and magnets cost $8. This week 30 items were sold for a total of $140. How many stickers were sold? How...

A boat traveled 336 miles downstream and back. The trip downstream took 12 hours. The trip back took 14 hours. What is the speed of the boat in still water? What is the speed of the current?

There are 4 times as many students as teachers on a trip. There are a total of 80 people. How many are students? Solve using system of equations by substitution or elimination....

Question is : Margie is responsible for buting a weeks supply of food and medication and a shelter. The food and medication for each dog costs twice as much as those supply's for a cat. She needs...

Pam’s age plus Tom’s age is 65. Twice Pam’s age is equal to 130 minus twice Tom’s age. How old are they?

i just dont understand.

You and your nine friends have decided to take a few days to go camping. You are planning a recreational budget of $50 per day for activities. One day your group is consis the nearby amusement park...

Can someone please answer this for me Help me understand this.

2x+y=5 x2+y2=50 2. x2+y2=90 y=√x

I bought some dogs and octopi. Each dog costs $100 and each octopus cost $200. I paid a total of $2000 and got a total of 80 legs. How many of each did I get? Please show w...

The return trip against the wind took 5 hours. Find the rate of the plane in calm air and the rate of the wind.

Last year, one savings account paid 3% interest and the other account paid 6.5% interest. If she earned $116.25 in interest for the year, how was her money divided between the two accounts...

Regina D.

Gina, Orton-Gillingham Reading Tutor

Bayside, NY

5.0
(62 ratings)

CAROLE C.

Experienced Tutor and Certified College Adviser

Montclair, NJ

4.9
(658 ratings)

Nina S.

Experienced ESL and Russian Language Teacher (Native Speaker)

New York, NY

4.9
(142 ratings)