Jocelynmercadoviz
Answered

if varies jointly as w,y and z,if x=0.5 when w=0.75,y=12 and z=2.5,find x when w=1.5,y=3.5 and z=5.5

Sagot :

x=kwyz
0.5=k(0.75)(12)(2.5)
0.5/22.5 = K 22.5/22.5 <-- cross out the 22.5/22.5
         45 = K

X=(45)(1.5)(3.5)(5.5)
X= 1299.375 <----- the final answer