An item with cost, c, is discounted by 30%.
Which expressions represent the final cost o...
Mathematics, 14.02.2020 22:22 zamorano2339
An item with cost, c, is discounted by 30%.
Which expressions represent the final cost of the item?
Select all that apply. (more than one answer)
c(1−0.3)
c(0.3)
c(1+0.3)
1.03c
0.7c
0.3c
Which expressions represent an increase of 5% on the value x?
Select all that apply. (more than one answer)
1.5x
x(1−0.05)
x(1+0.5)
0.95x
x(1+0.05)
1.05x
The following equation represents a percent change on the value, x.
x+0.25x=1.25x
How can you describe this in words?
A decrease of 25% is the same as multiplying by 1.25.
An increase of 25% is the same as multiplying by 1.25.
A decrease of 25% is the same as multiplying by 0.25.
An increase of 25% is the same as multiplying by 0.25.
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