Question

Solve please.

1. Nora’s leaf collection consisted of 150 leaves in August. In December, her collection grew to 177 leaves. Find the percent increase between August and December.
(Points : 1)
9%
12%
15%
18%

Answer 1

150/100=1.5
so 1.5 leaves is equal to 1%
177-150=27
her collection grew by 27 leaves
27/1.5=percent

Answer 2

15% i think

Answer 3

how did you get to 15%? @luckycoins888

Answer 4

more help

2. The cost per minute for a conference phone call, originally $2.60, increased by 30%. What is the new price?
(Points : 1)
$2.90
$3.20
$3.38
$3.48


Question 3.3. Selena buys several shares of stock at $32 per share and sells them at $28.32 per share. What is the percent of decrease in the price of the stock?
(Points : 1)
12.0%
11.5%
11.0%
10.5%


Question 4.4. Katie earned $1890 in 7 years on an investment at a 6% simple interest rate. How much was Katie’s investment?
(Points : 1)
$945
$793.80
$4500
$9000


Question 5.5. Find the annual interest rate if a $5000 investment earns $550 annual simple interest in one year.
(Points : 1)
10.5%
11%
11.5%
12%

thank you

Answer 5

is this a test?

Answer 6

yes

Answer 7

help

Answer 8

im sorry but it is against the CoC to help on tests or ask questions from tests
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Answer 9

how does .18=.12?

Answer 10

@sleepyjess are you saing to me? if so i'm going to delete my answer, tell me, please

Answer 11

yes

Answer 12

Ok!, done!, thanks @sleepyjess