Answer:
9
Step-by-step explanation:
Let corn tortillas be represented by c, flour tortillas be represented by f and the total number of packages be t
such that
t = c + f .... eq 1
ratio of c to t = 7 : 16 = 7/16
Therefore, t = 16, c = 7
substitute the value of t in eq 1
16 = 7 + f
f = 16 - 7
f = 9
Answer:

Step-by-step explanation:
AC = AB + BC



Add 7 to both sides:


Subtract 7x from both sides:

Divide both sides by 11:


In USA the average I.Q. is 98 while the top one average I.Q. country is Hong Kong.
But the I.Q. distribution is given by a polinomial graph, few people with extremely low I.Q. 40~70, a lot between 70~100, some between 100~120, few between 120~140 and extremely low 140+
Answer:
A
Step-by-step explanation:
Let
x = the number of phone available
If it would require 8 more phones, then the total number of phones will be x + 8.
A company hired an additional 12 employees, and every employee needed a phone, then
x + 8 = 12
x = 4
This means 4 phones were available (and 8 more needed to total in 12 phones for 12 new employees)
Hence, correct option is option A.