Answer:25%
Step-by-step explanation:
1. increase=new number-original number
increase=2.25-1.80
increase=0.45
2. increase %= increase÷ original number × 100
%= 0.25× 100
%=25
Answer:
The number to be added is 6.89
Step-by-step explanation:
Here, we want to know what number must be added to the expression to make it equal to zero.
Let the number be x
Thus;
-6.89 + 14.52 -14.52 + x = 0
-6.89 + x = 0
x = 6.89
Answer:
Step-by-step explanation:
the property of zero,
multiplication property of zero
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