<u><em>Answer is in bold</em></u>
Harry can first substitute 30 for t. He can then multiply
by 30 to get a product of 10. Since 15 is equal to 30 × 1/2, Harry's solution is not correct.
Hope this helps :)
Have a great day!
Can you tell me what do you mean exactly by menu of 8, so i can help you.
Answer:
0.4
Step-by-step explanation:

Bottom right! You are correct. :)