Since there are only 4 terms in the sum, it's not too much work to expand it as
Alternatively, we can use the well-known formulas
These sums start at n = 0, so in our given sum we will keep track of the 0-th term separately:
as expected.
Answer:
Step-by-step explanation:
A. "a pair of pants originally priced at &40$ and a shirt originally priced at $45. He pays $55"—correct
(1-0.30)$40 + (1-0.40)$45 = $55
B. "Mary buys two shirts originally priced at $25. She will pay $35."—incorrect
2×(1-0.40)$25 = $30
C. "a pack of four shirts on sale for $37.80. The pack of shirts was originally priced at $54"—incorrect
(1-0.40)$54 = $32.40
D. "a pair of pants for sale price of $40.60. The pair of pants was originally priced at $58."—correct
(1-0.30)$58 = $40.60
Answer:
I've done this question: Its batch 5
Step-by-step explanation:
It has to be all equal proportions
To find the percent you would divide 591 by 2364
591/2364=.25
.25*100 = 25%
Does that make sense?
The company earned a profit of $48,200 last year.
~ hope this helps!
