Answer:
Edna = 56.5
Elsa = 57.5
Step-by-step explanation:
Represent Edna age with x; Elsa age will be x + 1
So,


Make 2x the subject


Solve for x


Elsa age is calculated as thus;



I'm sorry if I'm wrong but I think the answer is -31
No wait nvm maybe not I'm so sorry I can't remember
Answer:
a) 5 pizzas need to be ordered and half of a pizza will be left over aka 0.5
b) $45
Step-by-step explanation:
Answer: 12
Step-by-step explanation:
72/36= 2
36-24=12
24-18=6
2x6=12
6x2=12