Answer:
x=3
Step-by-step explanation:
The square root of 225 is 15
so 15=4x+3
-3 -3
12=4x
If 12=4x then x=3
Answer:
All the plates were placed normally.
Step-by-step explanation:
All the plates were upside down, then every third waiter turned the third plate upwards, the fourth waiter turned every plate upward and so on, the pattern continued until the 100th waiter turned the 100th plate upward. The pattern was finished and all the plates were placed normally, right side up.
Answer:
Area of the total or the whole shape is 45.3 square metres
Answer:
140 miles
Step-by-step explanation:
4 per day for 5 days a week
= 4x5=20 miles a week
For 7 weeks= 20x7= 140 miles
