Answer:
9
Step-by-step explanation:
percentages are reversable. like instead of 18% of 50 you could reverse it and say what is 50% of 18. which is 9.
Just change the y to all of the answers. The correct answer to this particular one is D. 4
Answer:
Carrots cost $ 1.75 a pound which is more than potatoes cost.
Step-by-step explanation:
Let,
Carrots cost $ x per pound and potatoes cost $ y per pound.
Buying 2 pounds of carrots and 3 pounds of potatoes will cost her
$
and
Buying 4 pounds of carrots and 4 pounds of potatoes will cost her
$
According to the question,
-----(1)
-----(2)
multiplying (1) by 2 we get,
-----(3)
Deducting (2) from (3) we get,

⇒
------------------(4)
Putting value of y in (1) we get,

⇒
------------(5)
Answer:
31 alumnos no tienen celular
Step-by-step explanation:
Si 3/4 de los alumnos tienen celular, entonces 1/4 de ellos no tienen celular.
1/4 de 125 =
= 0.25 * 125
= 31.25