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Tomtit [17]
2 years ago
14

total cons of the 6 books and 7 pens is rupees 79 and the total cost of 7 book and six pen is rupees 77 find the cost of one boo

k and two pen​
Mathematics
1 answer:
inna [77]2 years ago
6 0

Answer:

guidance

Step-by-step explanation:

divide the amount by the total cost to get cost per product and add it until you find the amount!

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Aaron estimated that 148% of 333 is 495
maksim [4K]

Answer:

492.84

Step-by-step explanation:

333 x 148÷100

= 492.84

7 0
3 years ago
Read 2 more answers
Macy wants to know if the number of words on a page in her grammar book is generally more than the number of words on a page in
dybincka [34]

yes, because there is a lot of variability in the grammar book data.

6 0
3 years ago
A man spends 2/5 of his salary on food, 3/10 on his rent and 1/8 on other expenses. What fraction of his salary is still left wi
tino4ka555 [31]

Answer:

\frac{7}{40}

Step-by-step explanation:

1-(\frac{2}{5}+\frac{3}{10}+\frac{1}{8})

1-\frac{33}{40}

\frac{7}{40}=0.175

6 0
3 years ago
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Manny's parents came in to eat and he waited on them. Their bill was $45.20, and they left him a 35% tip. How much was his tip?
Sav [38]

Step-by-step explanation:

Use the equation ?/45.20 = 35\100 and what you get is your answer

Hope this helps

8 0
2 years ago
LAST QUESTION ON MY TOPIC!!! PLEASE
nataly862011 [7]

Givens

<em><u>Slower car</u></em>

r = r

t = 12 hours

d = ?

<em><u>Faster car</u></em>

r = r + 20

t = 8 hours

d = ?

It doesn't matter what the exact distance is. You just have to know that the 2 distances are equal ie going to the mountains from his home is the same distance as going from the mountains to his home.

d = r * t

r * 12 hours = (r + 20)* 8 hours.   Remove the brackets on the right

r*12 = 8r + 20*8

r*12 = 8*r + 160

r*12 - 8r = 8r - 8r + 160

4r = 160

r = 40 miles / hour

=================

Slower Ride determines the distance.

d = r*t

d = 40 * 12

d = 480

Check

Use the faster rate (r + 20) = 40 + 20 = 60 mph

60 * 8 = 480. Both distances work out to be the same.

5 0
3 years ago
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