It takes 1 hr 20 mins to bake a 3 kg cake. How long will it take to bake 4 such cakes?
(a) 3 hrs
(b) 4 hrs
(c) 3 hrs 40 mins
(d) 5 hrs 20 mins
WHAT IS THE SOLUTION
It takes 1 hr 20 mins to bake a 3 kg cake. How long will it take to bake 4 such cakes?
(a) 3 hrs
(b) 4 hrs
(c) 3 hrs 40 mins
(d) 5 hrs 20 mins