Answer:
17
Step-by-step explanation:
17*3=51
51–11=
40
17*2=34
34+6=
40
X= 4/5, - 1/4
Hope it helps
1 machine 5 min. 1 object
100 machine x min. 100 object
so than from this result that for 100 machine to make 100 objects need 5 minutes
hope this will help you
Answer:
5. 9 8. 
Step-by-step explanation:
a²+b²=c²
so for #5 12²+b²=15²
144+b²=225 (subtract 144 from both sides)
b²=81
b=9
For #8
9²+b²=11²
81+b²=121 (subtract 81 from both sides)
b²=40
b=
=

Answer:
2
Step-by-step explanation:
x(60) = 12(10) -->
x(60) = 120 -->
x = 2