Answer:
✖ both sides
Step-by-step explanation:
you take both numbers and you multiply it
Answer:
i have the same problem as you, i need help as well
Step-by-step explanation:
Answer:
y = 36x
Step-by-step explanation:
Given that x and y vary directly then the equation relating the is
y = kx ← k is the constant of variation
To find k use the condition x =
, y = 12, then
k =
=
= 12 × 3 = 36
y = 36x ← equation of variation
Answer:
(Choice A) 5M
Step-by-step explanation:
Let total no. of e-mails in inbox be x
Since she read 80 % of mails i.e 80 % of x
⇒
⇒
⇒
So, she read 0.8x e-mails.
So, remaining email = total e-mails - read e-mails

Since we are given that Danette still has M unread e-mails.
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
Thus the expression represent the number of e-mails Danette had in her inbox before she started reading is 5M.
Hence Choice A is correct.
Answer:
i
Step-by-step explanation: