Answer:
15 hours
so, 8 x y = 120
Step-by-step explanation:
15
Answer:
jjjjjjjjjjjjjjj
Step-by-step explanation:
The 2 angles are complemantary or form right angles so

so

. Plugging that into BDC we get 11
You would set this up as Part÷Whole=Percent÷100
Part=117
Whole= X
Percent=78
117÷X=78÷100
Set these up as fractions and cross multiply. You will get 117×100=78X
117×100=11,700
Divide both sides by 78 and you get x=150
There were 150 problems