Answer:
8x^3 + 4x^2 + 4x -7
Step-by-step explanation:
Add like terms.
Answer: 3/5
Step-by-step explanation:
1 2/5 = 7/5
7/5 - 4/5 = 3/5
Answer: 60 devil offspring.
Step-by-step explanation:
The total number of devils in the Island is 80.
Out of this 80, 75% are offspring from the two previous breeding seasons.
This percentage in a whole number is what the question requires.
The number of offspring from previous seasons is:
= Percent of offspring from previous seasons * Total number of devils
= 75% * 80
= 60 devil offspring.
30 minutes = 5 puzzles
60 minutes = 10 puzzles
90 minutes = 15 puzzles
She will solve 15 puzzles in an hour and 30 minutes
