Which of the following is not true for adding mixed numbers?
1 answer:
1.which of the following is not true for adding mixed numbers?
A.the denominators of the fractions must be the same in order to add them.
B.you can add mixed numbers by changing them into improper fractions or by using a number line.
C.the sum of the mixed numbers written as an improper fraction is in simplest form.
D.the sum of the mixed numbers must be written in simplest form
The answer is C
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My explanation is attached below.
512.50/125%=410
100% is the dealers cost
25% is the markup
$410 is the dealer's price before markup
410×25%=102.5. 410+102.5=512.5
Answer:
8 pounds per week
Step-by-step explanation:
AVG= total/time span
so
AVG= 128/16
AVG= 8 pounds per week
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2.5+2.5+1.6+1.6= 8.2 miles
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Answer:
8 years old
Step-by-step explanation:
oldest= 16
8+12+15+16= 51
51/4 = 12.73 ( average)
