Answer:
they spend the time for swimming is 11/4 ✖ 2 =22/4
that's means in hours =5 hours 30 minutes
Answer:
x=2
Step-by-step explanation:
3s+28=85, take away 28 from both sides of the equals to give you 3s=57, divide by 3 on both side to give you s=19.
Notice that we have a difference of squares in the numerator of our expression. In the denominator we have a quadratic expression of the form
. So we can factor both numerator and denominator and cancel common terms:
We can conclude that the correct answer is the fourth one: