Question

Sally pays rs 55 for two tubes,a blue tube and a red tube. The blue tube costs rs 7 more than the red tube.How much does each tube cost?

Answer 1

Step-by-step explanation:

At first step take the value of red tube be X

Answer 2

Answer:

red tube cost 24 and blue tube cost 31

Step-by-step explanation:

let red tube's cost be x

so, blue tube's cost x + 7

x + ( x + 7 ) = 55

      2x + 7 = 55

            2x = 48 [55-7]

              x = 24 [48/2]

thus, red tube's cost = 24, blue tube's cost = 31

Hope it helps!