Given :
Lin has a pet German shepherd that weighs 38 when measured in one unit and 84 when measured in a different unit.
To Find :
Which measurement is in pounds, and which is in kilograms.
Solution :
We know, mass in kg and pounds are related as :

Putting,
and
, we get :
LHS = 84
RHS = 2.2 × 38 = 83.6 ≈ 84
Since, LHS = RHS .
Therefore, 38 units is Kg and 84 units in Pounds.
Hence, this is the required solution.
9x10^6
+5x10^5
+4x10^4
+0x10^3
+0x10^2
+0x10^1
+0x10^0
Answer:
Yes there are same because
Let r=1
then
12r-5 = ( 12*1)-5 = 12 -5 = 7
but
-5 + 12r = -5 + (12*1) = -5 + 12 =7
Answer:
Step-by-step explanation:
Selling price = Cost price + Marked price - discount
s = c + m - d