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Sliva [168]
3 years ago
5

If PQ=7 and QR=10, then PR=

Mathematics
2 answers:
Cloud [144]3 years ago
8 0

Answer:

PR=PQ+QR

=7+10

=17

Hope this will help:)

Advocard [28]3 years ago
5 0

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{ PR = 17}}}}}

Step-by-step explanation:

Given, PQ = 7 , QR = 10

To find : PR

Add the value of PQ and QR to find the value of PR

\sf{PR = PQ + QR}

\longrightarrow{ \sf{PR = 7 + 10}}

\longrightarrow{ \sf{PR = 17}}

Hope I helped!

best regards! :D

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SashulF [63]

Answer:

the number of single room is 27 and the number of double room  is 53

Step-by-step explanation:

Let x is the number of single room

Let y is the number of double room

We know that:

x + y = 80 <=> x = 80 -y (1)

80x +90y= 6930 (2)

Substitute (1) in (2) we have:

80 (80 - y) + 90y = 6930

<=> 6400 - 80y +90y = 6930

<=> y = 53

> x = 80 - 53 = 27

the number of single room is 27 and the number of double room  is 53

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2 years ago
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Answer:

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2 years ago
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Answer:

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Step-by-step explanation:

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