Answer:
Step-by-step explanation:
the answer is correct so good job ok
Answer:
where are the equations??
Step-by-step explanation:
Answer:
First one is 36 and second one is 324!!!
Answer:
900
Step-by-step explanation:
Assume x brick
X*(1/9+1/10)一 10=X/5
X(19/90-1/5)=10
X*(1/90)=10
X=900