Answer:
35N
Step-by-step explanation:
Find the constant multiplied to the mass:
8 * k = 40
Divided by 8
k = 5
Find the weight of a 7 kg mass
7 * 5 = 35N
STEP 8
-11/7
im not 100% sure...but i think its integer
i read on google
1/81
multiply them
hope this helps :/
