Sheila went to the store and bought 28 apples. She bought twice as many red apples as she bought green, and she bought one-fourth as many yellow as she did red. How many of each type of apple did she buy?

A.

16 red; 8 green; 4 yellow

B.

12 red; 13 green; 3 yellow

C.

14 red; 7 green; 7 yellow

D.

18 red; 8 green; 2 yellow

Question

Sheila went to the store and bought 28 apples. She bought twice as many red apples as she bought green, and she bought one-fourth as many yellow as she did red. How many of each type of apple did she buy?
	
	
 
A.
	

16 red; 8 green; 4 yellow
	
 
B.
	

12 red; 13 green; 3 yellow
	
 
C.
	

14 red; 7 green; 7 yellow
	
 
D.
	

18 red; 8 green; 2 yellow

anonymous · Answer

Only 2 answer choices have twice as many reds as green. Test both of those against the info in the problem to see which one works. Much easier than setting up algebraic equations!

anonymous · Answer

i dont get you

anonymous · Answer

It says "She bought twice as many red apples as green apples"
Which 2 answer choices match that bit of information?

anonymous · Answer

well isnt this considered math of any kind

anonymous · Answer

a and c

anonymous · Answer

yes... so we know it's a or c
Now, it says she bought one fourth as many yellow as she did red...a or c ?

anonymous · Answer

um

anonymous · Answer

it would be a

anonymous · Answer

a) 16 red 4 yellow
c) 14 res 7 yellow

Is 4 one fourth of 16? Or is 7 one fourth of 14?

anonymous · Answer

yes...a

anonymous · Answer

hey thanks!!

anonymous · Answer

can you help me on a last one!! plz

anonymous · Answer

no problem....don't do algebra if you don't have to...haha

anonymous · Answer

ok

anonymous · Answer

John has a jar filled with 150 coins made up of quarters and nickels. The total value of the coins is $26.70.

Let x represent the number of quarters in the jar. Which equation can be used to find the number of quarters?
	
	
 
A.
	

0.05x + 0.25(150 – x) = 26.70
	
 
B.
	

0.25x + 0.05(150 – x) = 26.70
	
 
C.
	

0.25x + 0.05(x – 150) = 26.70
	
 
D.
	

0.05x + 0.25(x – 150) = 26.70

anonymous · Answer

Value of Quarters  + Value of Nickels = 26.75
          0.25x          +        0.05(150 - x) = 26.75

anonymous · Answer

can you explain it to me im trying to understabd because i can never get these when we correct our homework

anonymous · Answer

x = number of quarters
Lets make y = number of nickels
OK
x + y = 150....it says there are a total of 150 coins, right?
AND
0.25x + 0.5y = 26.75...This equations says the value of the quarters plus the value of the
                                     nickels is $26.75. Make sense?
2 equations, 2 unknowns...but we can solve the first one easily for y to get y = 150 - x
So substitute 150 - x for y in the second equation...and that's the answer.

anonymous · Answer

I goofed. That 2nd equation should be 0.25x + 0.05y = 26.75 ....not 0.5y