write an expression that shows how you can multiply 9x475 using expanded form and the distributive property

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

6 0

+6 +4
475
× 9
------------
4275

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The trinket store is open for 14 hours per day. They sell an average of 5 trinkets per hour. The back storeroom currently has 56

tekilochka [14]

Q1)
write the equation that estimates the number of trinkets T that will be in the storeroom after H hours
Initially the number of trinkets available = 560
every hour they sell an average of 5 trinkets
therefore in H hours, number of trinkets that will be sold = 5 trinkets/hr * H hrs
number of trinkets sold in H hours = 5H
the remaining number of trinkets = T
T = number of trinkets initially available - number of trinkets sold

T = 560 -5H

Q2)
How many days will it take to run out of trinkets
number of trinkets sold per hour - 5
number of hours the shop is open for - 14 hours / day
during one day number of trinkets sold - 5 trinkets/hr x 14 hrs/ day
= 70 trinkets per day
there are 560 trinkets available
and if 70 trinkets are sold per day
number of days it takes to sell 560 trinkets
days = 560 trinkets / 70 trinkets/day
= 8 days

the third response is correct - 1) T = 560 -5H
2) 8 days