Answer:
60
Step-by-step explanation:
if 3 represents 5% and we know 5%*20 =100% then
3*20=60 represents 100%
Answer:
2 pieces
Step-by-step explanation:
Given


Required
Calculate the number of pieces
To do this, we have to divide the length of the wood by the length of each piece.
Represent this with x


Convert mixed numbers to improper fraction

Change division to multiplication



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Answer:
Josh has played in 3 times as many as Lisa has.
Step-by-step explanation:
She mixed up multiplication and addition.
6+12=18
6*3=18
Answer:

Step-by-step explanation:
There are 60 minutes in an hour, thus
56 minutes =
of an hour
To simplify divide 56 and 60 by 4
56 minutes =
← in simplest form
Answer:
x=10
Step-by-step explanation:
90+3x+10+3x+20=180
-90 -10 -20 -120
combine like terms
6x=60
x=10