Answer:
2 hours and 28 mins
Step-by-step explanation:
75-15=60=1 hour remain 15 mins
45+14=63-3=60=1 hour remain 3 mins
3+25=28 mins remain 0 mins
total= 2hours and 28 mins
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Answer:
He did 9 times 10 instead of 9 times 100.
Answer:
1,3,5,7,9....up to soon are odd numbers
Step-by-step explanation:
they are not divided by 2
Answer:14
Step-by-step explanation:
A nickel is 5 cents (20% of dollar)
and a quarter is 25 cents (25% of dollar)
We have given a pile of 42 coins worth of $4.90
Let x be the no nickels and
y be the no of quarter
therefore
x+y=42 -----1
+=4.90 ---2
Solving we get
x=14 & y=28
Therefore no of nickels is 14 & no of quarters is 28