Answer:
x = 9
z = 117
Step-by-step explanation:
Z is across from 117 so they are equal.
9x + 17 + 117 = 180.
x = 9.
I am thinking your answer is 78 students. You do 1/5 times 390. And I think the the part about the dog is just extra information.
Answer:
59400
Step-by-step explanation:
4/5=0.8
1/50=0.02
Hope that helps
Answer:
I don't know if you're asking for the product of prime using index notation but I got :
2 × 2 × 2 × 5 × 5