42 times 10 is 420 hope it helps you
Answer:
<em>The age of the oldest child id 7.</em>
Step-by-step explanation:
There are 5 children:
1st Child: 7 Years Old
2nd Child: 6 Years Old
3rd Child: 5 Years Old
4th Child: 4 Years Old
5th Child: 3 Years Old
<em>The ges of any two consecutive children difference is 2 years old: 1st Child and 3rd Child. </em>
Hope this helped! :-)
<span>The correct
answer between all the choices given is the second choice, which is 16%. I am
hoping that this answer has satisfied your query and it will be able to help
you in your endeavor, and if you would like, feel free to ask another question.</span>
Use the sine law: sinB/b = sinA/a
SinB = b*sinA/a
sinB = 3*sin120° /8
∠ B = 18.94° ≈ 19°