You cannot round 23 to the nearest thousand.
There are only TWO PLACE VALUES in 23: ones and tens.
Answer: 13
Step-by-step explanation:
12^2+5^2=13^2
Answer:
31.5 hours studying English
2 math hours = 3 english hours
21 math hours = ? english hours
21/2 = 10.5
10.5 * 3 = 31.5
we know,
