Banners at the school store were on sale for $3 off the regular price. Louis bought 4 banners on sale and paid a total of $16. W
1 answer:
You might be interested in
(I crossed simplify)
Next cross multiply;
3b = 1
b = 1/3
To check if the statement is true just substitute the value of b in the equation;
3b = 1
3(1/3) = 1
1 = 1
