2j+5=21
2j=16
j=8
<span>Jack is 8 years old.
</span>
Hope This Helped! :3
<span>The percentile score would most likely be 97.5, Hope this helps!! :D
</span>
Answer:
55/24
Step-by-step explanation:
First, multiply 1 7/8 by 5/6, obtaining 15/8 times 5/6, or 75/48.
Next, multiply 2 1/3 by 5/16. This is equivalent to multiplying 7/3 by 5/16, and the result of this multiplication is 35/48.
Now combine 75/48 and 35/48, obtaining 110/48, or 55/24.
Alright here's the breakdown:
your trying to find how many miles per day
so
take the miles (290) and the days it took (5)
and
divide the miles by the days it took (290/5)
and the answer is
58 mi. per day
Answer:
It is not valid since there is more than one variable being changed at one.
Step-by-step explanation:
Jackson changed the brand of soil, but he also changes the amount of water, and the amount of sunlight the plants are receiving, so his conclusion that the soil was more effective is not valid.
