-5/2 is equivalent to -2.5, and if you multiply 2.5 by 2 you get 5, and you have to have the negative, so add that to the 5 and you get -5. Hope this helps!
Remember that when you find 30% of the number you have to subtract the 30% from your original $90 because it is 30% off the original price.
Answer:
i dont know the first one, but the answer to the second question is 28
Step-by-step explanation:
Answer:
15.8
Step-by-step explanation:
do 11.3 + 4.5 = 15.8