Let cost of sandwich = s, juice = j and salad = d.
2s + j = 500 (A)
s + d = 510 (B)
d + j = 530 (C)
Equation (C) - (B) ( to eliminate d):
j - s = 20 (D)
(A) - (D) = (to eliminate j):
2s - (-s) = 480
3s = 480
s = 160
A sandwich costs E 1.60.
Answer from: Quest
answer: the answer is one
step-by-step explanation:
pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1
Answer from: Quest
The answer mai bc
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