Answer:
This survey means that about 14 in every 25 adults in the survey had a smartphone.
Step-by-step explanation:
Answer: Mr Smith bought 7 pepperoni pizza
Step-by-step explanation:
Step 1
cost of cheese pizza =$11
pepperoni pizza cost =$12.50
let number cheese pizza be represented as c
and number of pepperoni pizza be represented as p
such that the total number of pizza bought which equals 13 can be represented as
c+ p= 13
and total cost of both pizza can be expressed as
11c+ 12.50p =153.50
Step 2 Solving
c+ p= 13
11c+ 12.50p =153.50
By elimination method, Multiply equation 1 by 11 and subtract the new equation from equation 2
11c+ 12.50p =153.50
11c+ 11p=143.
1.5p =10.5
p= 10.5/ 1.5 =7
c+ p= 13
c= 13-p =13-7=6
Therefore Mr Smith bought 6 cheese pizza and 7 pepperoni pizza
Step-by-step explanation:
X(x+6) - 6(x+6)
X+6x-6x-36
X-36
Answer:
x>3
Step-by-step explanation:
|4x-5|>7
4x -5>7
4x >7+5
4x /4>12/4
x >3
solution set={4,5,6,---}
