Step-by-step explanation:
16 kg= 8 hours (divide by 8 to find 1 hour how many kg)
2kg=1 hour ( multiply by 9 as we need to find 18 kg
so 9 hours=18kg
So it'll take 9 hours for 18 kg of dough to be made
Hope this helps!!!
Have a nice day:)
Answer:
a. I'm not sure if there's more to the question but I can't answer without knowing how many is the whole class
B. 12 boys
Which of the following groups of numbers are all prime numbers? A. 3, 11, 23, 31 B. 2, 3, 5, 9 C. 2, 5, 15, 19 D. 7, 17, 29, 49
Mekhanik [1.2K]
A because 9 is not prime in answer B, 15 is not prime in answer C, and 49 is not prime in answer D. So the correct answer is A.