Outing x=4 &y=2in the equation
2=4/3*4
2=4/12
2=1/3
2*3=1
6=1
=1/6
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Answer: 
b) x = 12 RS = 20 ST = 40
c) x = 7 RS = 6 ST = 11
<u>Step-by-step explanation:</u>
Use the Segment Addition Postulate: RS + ST = RT
a) (2x - 10) + (x - 4) = 21
3x - 14 = 21
3x = 35
x 
RS = 2x - 10




ST = RT - RS


Use the same formula to solve for b and c
The amount invested by Mr.Smith in 5% is $240 .
<u>Step-by-step explanation:</u>
We have , Mr. Smith invests a certain amount of money at 8% and twice as much at 5%. If his annual income from the two investments is $720 . Let us suppose that Mr.Smith invest $x so :
Amount of money invested in 5% is
. And, amount of money invested in 8% is twice that of 5% i.e.
.
Now, total investment is $720 so,
+(
) = $720
⇒ 
⇒ 
⇒ 
⇒ 
The amount invested by Mr.Smith in 5% is
i.e.
. ∴ The amount invested by Mr.Smith in 5% is $240 .
Answer:
The time would be 4:59
Step-by-step explanation: