Pl Hel 15 points
Select all of the ratios that are equivalent to 1:5.
8 to 40
3/20
2/10
6:30
2/9
5 to 20

8 to 40, 2/10, 6:30

Step-by-step explanation:

8:40 -> 8 / 8 : 40 / 8 -> 1:5 WORKS

3:20 -> 3 / 3 : 20 / 3 -> Doesn't work

2:10 -> 2 / 2 : 10 / 2 -> 1:5 WORKS

6:30 -> 6 / 6 : 30 / 6 -> 1:5  WORKS

2:9 -> 2 / 2 : 9 / 2 -> Doesn't work

5:20 -> 5 / 5 : 20 / 5 -> 1:4 -> Doesn't work

 8 to 40, 2/10, 6:30

8 to 40

2/10

6:30

Hope this helps

-Amelia

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

answer:

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

explanation:

service only with 20% tip  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

in the opening of the question the word 'service' is associated only with the pretax value.

the closing part of the question asks: how much did she pay for the  

service

−−−−−−  

so technically the answer is  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

however, the intention of the question provider may have been that your answer is to be  

$

87.12

(

1

+

8

100

)

=

$

94.09

to 2 decimal places.

'

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

tony b

mar 21, 2017

answer:

trying to explain it another way

explanation:

service charge  

.

→

$

72.60

20% tip  

20

100

×

$

72.60

=

$

14.52

−−−−−−  

←

add

$

87.12

tax  

8

100

×

$

87.12

=

$

6.97

−−−−−  

←

add

$

94.09

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