Answer:
x=99 dollars
Step-by-step explanation:
6 ppl for movies --> each $13 so 78 Total dollars
Plus 7 snacks each are $3 so its 21
add $21 and 78 to get $99
Answer:
Let the MP of 1 article = Rs 1
MP of 15 article = Rs 15
SP of (15+1) articles = 15 x 96/100
= Rs 14.40
CP of 16 article = 14.40/135 x 100
= Rs 32/3
CP of 1 article = 32/3x16
= Rs 2/3
Required % = 1/3 x 3/2 x 100
= 50
Associative Property of Multiplication
Because the grouping is the only things that changes