Question

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Use the number line below, where RS = 9y +5, ST = 3y + 6, and RT = 59.
a. What is the value of y?
b. Find RS and ST.
R
a. What is the value of y?
y = (Type an integer or a decimal.)
b. Find RS and ST.
RS=
ST=
(Type an integer or a decimal.)
(Type an integer or a decimal.)
S

Answer 1

RS = 41 , ST = 18

Explanation:

from the number line

RT = RS + ST ( substitute values )

59 = 9y + 5 + 3y + 6

59 = 12y + 11 ( subtract 11 from both sides )

48 = 12y ( divide both sides by 12 )

4 = y

Then

RS = 9y + 5 = 9(4) + 5 = 36 + 5 = 41

ST = 3y + 6 = 3(4) + 6 = 12 + 6 = 18