Answer:
p : q : r = 2 : 12 : 3
Step-by-step explanation:
p : q = 1/3 : 2
p : q = 1/3 ÷ 2
p : q = 1/3 × 1/2
p : q = 1/6
p : q = 1:6 -----------(a)
p : r = 1/2 : 3/4
p : r = 1/2 : 3/4
p : r = 1/2 × 4/3
p : r = 2/3
p : r = 2 : 3 -----------(b)
For p in equation (a) to be the same as equation (b) so, multiply equation (a) by 2 and multiply equation (b) by 1
p : q = 1 × 2 : 6 × 2
p : q = 2 : 12
p : r = 2 × 1 : 3 × 1
p : r = 2 : 3
p = 2 : , q = 12 , r = 3
Hope it help
p : q : r = 2 : 12 : 3
Answer:
Kailee bought 26 of 49-cents stamps and 10 of 21-cents stamps.
Step-by-step explanation:
Given:
Total Money paid for stamps = $14.84
Let the number of 49-cents stamps be x.
Also Let the number of 21-cents stamps be y.
Now Total Money paid is equal to sum of number of 49-cents stamps and number of 21-cents stamps.
100 cents = 1$
So 49 cents = $0.49
and 21 cents = $0.21
Hence equation be framed as;
Also Given:
number of .49-cents stamps was four less then three times the number of 21-cent stamps.
hence we can say that;
Now Substituting the value of equation 2 in equation 1 we get;
Now substituting the value of y in equation 2 we get;
Hence Kailee bought 26 of 49-cents stamps and 10 of 21-cents stamps.
I think it A... But if it not sorry I didn’t help... hope this is the answer I am sure it is...
The function is decreasing for
and
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B and D