Asked by Maci

You went to lunch with your friend and the bill is $19.00 your lunch is $3.00 more than your friends. How much was your friends lunch?

f + 3 = 19; $8.00
3f + 2 = 19; $8.00
2f + 3 = 19; $8.00
2f - 3 = 19; $8.00


Mark weighs 74 pounds. together he and his sister weigh 6 pounds more than 3 times the weight of his sister, what is the weight, W, of marks sister.

74 + w = 3w; 37lb
74 + w = 6 = 3w; 18.5lb
74 + w = 3w + 6; 34lb
74 + w = 3w - 6; 40lb


Chris received and $90.00 check for his birthday. The check was for 5 more than twice the amount of the check that he got last year for his birthday. how much money did Chris receive last year for his birthday.

$85.00
$42.50
$50.50
$47.50

I have no idea what the answers for these are?
Answered by Damon
f + f+3 = 19
or
2F + 3 = 19

74 + w -6 = 3 w
or
74+w = 3w+6
that means 2w=74-6 = 68 or w = 34

90-5 = 2c
85 = 2c
c = 42.5
Answered by Maci
Ok thank you so so much Damon. :)
Answered by Damon
You are welcome.
Answered by Pikachu
Thx you helped me so much!
Answered by Boo
the last two are
2. C
3.B
Answered by Name
@boo is right
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