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Aleonysh [2.5K]
2 years ago
10

Priyanti ate 150 raisins in five days. If she ate 7 more raisins each day than she did the previous day, how many raisins did sh

e eat on
a. the third day?



b. the first day?
Mathematics
2 answers:
marta [7]2 years ago
8 0

Answer:

this means she ate an average of 30 raisins each day

so she ate 30 on the third day

so the amount she ate each day is like this

1. 16

2. 23

3. 30

4. 37

5. 44

16 + 23 +30 +37 +44=150

insens350 [35]2 years ago
3 0

Answer:

a. 30 b. 16

Step-by-step explanation:

n=number of days

a1= raisins she at on 1st day

d=increase per day

n(a1+an)/2

5(a1+a1+d(n-1))/2=150

5(2a1+4d)=300

d=7, 10a1+20(7)=300

a1+14=30

a1=16

a. a1+2d 16+14=30 b. 16

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3 years ago
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Tems11 [23]

Answer:

My guess would be

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2 years ago
When sales of a particular hybrid automobile reach 60,000 units, federal income tax credits begin to phase out. One year after r
SCORPION-xisa [38]

Answer:

$750

Step-by-step explanation:

so, in short, we need to calculate 25% of $3000.

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direct and fast answer :

25% means 1/4 of the overall amount.

$3000 / 4 = $750

now, a little bit longer to explain % calculations in general.

let's say, we are talking 27%. now we have a problem to find a fast fraction as factor.

it always starts with the identification of 100%.

what is the full starting amount we are dealing with ? that is the 100%.

in our case $3000.

now, as a base for the calculation we determine 1%, which is 1/100 of 100%, of course.

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to get said 27% we have to multiply this by 27

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that also works for more complex questions. e.g. calculate 1.5%

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2 years ago
How many gallons are in 50 L round answer to the nearest 10th
anygoal [31]

Answer:

13.2

Step-by-step explanation:

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6 0
3 years ago
Find the slope of each line.
Arisa [49]

Answer:

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=2/7

Ans B

5 0
2 years ago
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