Answer:
9
Step-by-step explanation:
30 multiply by 30 and divide by 100
Https://brainly.in/question/16189033?referrer=searchResults
Hey there,
It take 45 min to complete 75% of the wall
1% = 45 / 75
= 0.6
100 % = 0.6 x 100
= 60 min
It takes her 60 mins or 1 hour to finish building the wall.
Hope this helps :))
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There are 31 emails left in her box. Hope this helps!! :)