To round to the nearest ten thousand, look at the number in that place. This number is 8. Now look at the number after it. It is less than five so keep the number as it is. This number rounded would be 780,000.
Answer:
7 hours and 15 minutes
Step-by-step explanation:
8 - 3/4 = 7 1/4 hours
Step-by-step explanation:
4x +7>4(3+x)
4x+7>12+4x
Collection of likes term
4x+4x>12 +7
8x>19
8x<19
X <2⅜