Answer:
33
Step-by-step explanation:
3 years ago, the difference in ages was twice Daniel's age. So, Daniel was 20/2 = 10 years old at that time. Ben was 30.
Now, Ben is 33.
_____
If two numbers have a ratio of 3:1, their difference is (3-1) = 2 times the smaller number.
Answer:
An exponential has the base at the bottom, or the lower portion. Think of "basement" to help remember this. The exponent is the number up top, so 12 is the exponent
therefore, the correct answer is 11
Answer:
25
Step-by-step explanation:
5:20
We want to get the second number to 100
100/20 = 5
Multiply each term by 5
5*5 : 20*5
25 : 100
x is 25
Answer:
25% increase
Step-by-step explanation:
You multiply the original number (0.25) by 100.
% increase = Increase ÷ Original Number × 100. If the answer is a negative number, that means the percentage change is a decrease.
Answer:
x=55 y=125
Step-by-step explanation:
X= 110/2=55
if BC is 110, BAC=250
so Y=250/2=125
