Answer: $ 5,850
Step-by-step explanation:
Let the original amount in May be 
, since the amount increases by 30% in June , this means that the amount in June will be 130% of .
Amount in June = 1.3
Also , it decreases by 10% from June to July , that is the amount in July will be 90% of 1.3
Amount = 1.17
The difference in the amount of sales between May and July is $7,650. That is
divide through by 0.17
Therefore :
Amount in May = $
Amount in June = 
= $ 
Amount in July = 1.17 ( 45,000 ) = $52,650
the difference in the amount of sales between June and July will be
$58,500 - $ 52 , 650 = $ 5,850
There are 7 possibilities for appetisers and 11 for main courses, so the total number of combinations would be 7*11 = 77
Answer: $64.20
Step-by-step explanation:
Cost of shoe = $60
Sales tax rate = 7%
Sale tax = 7% × $60 = 7/100 × 60 = $4.20
The total price paid by Mary
= Cost of shoe + Sales tax
= $60 + $4.20
= $64.20
Answer:
27%
Step-by-step explanation:
15.6 - 11.4 = 4.2
4.2 ÷ 15.6 = .27
.27 = 27%
Which equation has infinitely many solutions? a 12 + 4x = 6x + 10 - 2x
b 5x + 14 - 4x = 23 + x-9 c
c X + 9 -0.8x = 5.2x + 17-8
d 4x-2x = 20
