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Let Sandwiches be S and Pizzas P
5S= 3P
S= 3P/5

6S + 2P= 6*(3P/5) + 2P= 28P/5

Check out which is not a multiple of 28, clearly 120 is the number.
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5A=3B
A/b=3/5
where A denotes Sandwiches and B denotes pizza
let A=3x and B=5x
cost of 6 sandwich and 2 pizza is 28x
Check which one is not multiple of 28x and that will be your answer

Ans is C
lovesuit
The cost of 5 sandwiches is equal to 3 pizzas, and the value of both is positive integer. What cannot be the value of 6 sandwiches and 2 pizzas?

A. 28
B. 84
C. 120
D. 140
E. 420
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