a shirt costs rm18 less than a skirt.if the total cost of a shirt and a skirt is rm94,find the cost of the shirt.
Let the cost of the skirt=S
The cost of the shirt=S - 18
S + S - 18 = 94
2S =94 + 18 =112 divide both sides by 2
S =112/2
S =56 rm - the cost of the skirt
56 - 18 = 38 rm - the cost of the shirt.
