Answer:
Step-by-step explanation:
1 hour=60 min
7 hours=60×7=420 min
number of blink=420×13=5460
<span>Let the number of nickles be x
Let the number of pennies be y
Value Value
Type Number of of
of of EACH ALL
coin coins coin coins
-------------------------------------------
nickles x $0.05 $0.05x
pennies y $0.01 $0.01y
-------------------------------------------
TOTALS 56 ----- $1.52
The first equation comes from the second column.</span>
7 is the lowest common multiple i think
THE ANSWER IS 27.5,BECAUSE WHEN I ADDED IT 25+2.5 I GOT 27.5.THIS IS HOW I GOT MY ANSWER.