PLEASE HELP MEEE
Miranda bought some apples and oranges at the store for fruit salad. Owen bought three times as many apples and twice as many oranges. Miranda has 5 fruits in her bag, but Owen has 12 fruits in his bag. How many apples did Miranda purchase?
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Miranda: x +y = 5
owen: 3x +2y = 12
x = apples
y = oranges
...now solve simultaneous equation...
i'd recommend substitution
How do I do substitution?
I did this in like 8th grade but I cant remember how, can u restart my brain by giving me a push in the right direction?
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Miranda: x +y = 5 Equation 1
Owen: 3x +2y = 12 Equation 2
rearrange equation 1 to get y = 5 - x
sub the new equation into equation 2
3x + 2y = 12
3x + 2(5 -x) = 12
so x = ...?
Ok.. so far to figure it out I subtracted 3 and subtracted it from the 12... and got
Is that correct so far?
..Ok. Let me try something else.
3x + 2y = 12
3x + 2(5-x) = 12
3x + 10 -2x = 12
3x - 2x = 12 - 10
x = 12-10
x = 2
so mirinda originally has 2 apples
and as she starts out with 5 fruit, she also has 3 oranges
Ok so u distribute the 2 with whats in the parenthesis first?
maybe i described it poorly at the start
x = number of apples Mirinda has
y = number of oranges Mirinda has
and yeah, use BODMAS to do the correct order of operations
BODMAS? I only know of PEMDAS?
ok use that then, im in Aus, so they teach it differently down here, sorry ;)
Oh thank you so much! I just didn't do my homework for my next class and im trying to hustle through it but I don't want to get them wrong. Thank u.. I took notes to try for next time.
expand out the brackets
add/subtract like terms
divide if necessary to isolate the term u want
all good, always welcome
let the number of apple and oranges bought by miranda be x and y respectively,Therefore,
y=5-x....Substituting this in Owen's equation.3x+2(5-x)=12
Group like terms together
x=2 and y=5-2=3
Therefore,Miranda has 2 Apples