Answer:

Step-by-step explanation:
Alvin takes pictures with his smartphone.
Of the pictures
are animals.
of the animals are dogs.
To find which fraction of all pictures are pictures with dogs, you can simply multiply two fractions:

<u>Another way</u> to solve this question:
Let the number of all pictures be 24 (divisible by both 4 and 6).
Then the number of pictures with animals is

and the number of pictures with dogs is

Hence, the fraction of pictures with dogs of all pictures is

Because logarithms were a lot less time-consuming than other methods of finding roots. They were also more accurate in the sense that it was harder to make a mistake.
Answer:
161 dollars
Step-by-step explanation:
What we know:
1. beginning value = 20 dollars
2. +10 dollars from mom
3. +30 dollars from dad
4. +100 dollars from aunt and uncle
5. +1 dollar
Add the values
20+10+30+100+1
= 161 dollars
I hope this helps!