What is 6/13=3/c show your work

Your problem; 6/13 = 3/c

Your work ⬇️

6/13 - 3/c = 0

         ⬆️
simplify

6/13 - 3/c
⬆️
simplify

3 ÷ c = 3c

6 ÷ 13 = 0.46153

Lowest common denominators⬇️

Right denominator: c

Left denominator: 13

LCD: 13c

6(c) - 39 / 13c

End of this step ⬆️

6(c) - 39 / 13c

3(2)(c) -13 / 13c

2c = 13
+13. +13
.
15c 26
÷ 2. ÷ 2
.
7.5c 13

The numerator of "c" would be 13

good luck!

SO, c = 13 / 2

12 students brought there own lunch.