4) Andre types 208 words in 4 minutes. Noah types 342 words in 6 minutes. Who types faster? *
2 answers:
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Answer:
D: 12
Step-by-step explanation:
The entire segment KI is composed of the segments KJ and JI. So:
We know that KI is 15.
KJ is (2x-15) and JI is (2x-6). Substitute:
Solve for x. Combine like terms:
Add 21 to both sides:
Hence, the value of x is:
We know that JI is 2x-6.
We will substitute 9 for x to find JI. So:
Hence, our answer is D.
(x+2y)
How?
Use distributive law
- a(b+c)=ab+bc