The equation would be:
3.50 + 0.15x
x represents each 'late day'
She was wrong. the answer is 8, and she subtracted instead of multiplied. there is only 1 answer.
If they both did it together it should only take them about 20 to 25 to complete it
Answer:
Yes you would need to regroup in the tens place because 3 is less than 6.
First figure out what 851 minutes 473 equals to, which is 378
So both sides of the equation should equal to 378
Plus 470 and 378 together
Which equals to 848
So the answer is eight hundred and forty eight