If isaac were born four
years before his real
birthday, his current age
would be five times emma's
current age. isaac is
fifty-two years older than
emma. how old is isaac?

Step-by-step explanation:

I= (4 + x ) * 5 E= x

I: 52 more than Emma

(4+x) * 5 = x + 52

20 + 5x = x + 52

5x - x = 52 - 20

4x = 32

x = 8

so then

E= 8

I= 12 × 5 = 60

mk./km: lm

step-by-step explanation:

,mlmlm

; mk

lk

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or