there are 20 children in a class,and each student has 12 pencils and 3 dozen erasers how many dozen erasers are there in all
1 answer:
Answer:
720
Step-by-step explanation:
Heck that's a lot of erasers!!!
36 (erasers per child) x 20 (the number of children) = 720 (number of erasers)
Chow,...!
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The awnser is the simplified stystem is the arbitrary solution of the original system of equations
Answer: (m-1)(m-8)
Hope this helps
Answer:
2(2−1)
Step-by-step explanation:
4−2
Grouping
Common factor
4−2
2(2−1)
Solution
2(2−1)
Answer:
15
Step-by-step explanation:
x - y = 10, then x = 10 + y
x + y = 20
substitute for x:
10 + y + y = 20
2y = 10
y = 5
x = 10 + 5 = 15
98 - 14x + 1
-14x + (98 + 1)
-14x + 99
Answer: -14x + 99.
