If you take two letters at a time, you treat them as one, so it's like you have 5 letters in total.
Answer:
B.60
Step-by-step explanation:
Answer:
y = 9.84 mm
Step-by-step explanation:
<h2>Sine rule:</h2>
Law of sine:

a = y
A = 31°
b = 17 mm
B = 117°


In 4 hours Bethany did the whole fraction 1 of the house.
In 1 hour he would do 1/4 of it.
In 3 hours Colin did the whole fraction 1 of the house.
<span>In 1 hour he would do 1/3 of it.
</span>
In 1 hour they would both do (1/4 + 1/3)
If it takes both of them x hours to finish 1 whole fraction of the house.
In 1 hour they will both do 1/x
That means that:
1/x = 1/4 + 1/3
That is the equation. x can be solved for.
Answer:
2
Step-by-step explanation:
(✿◡‿◡) <--- she wants Brainliest