Working with Fractions — Class 7 solved problems
2 problems from this chapter, each solved step by step.
- Verify (a+b)+c the value of a is to the value of B is -1/2 and the value of C is -1/ 4
LHS = RHS = (5)/(4), hence (a+b)+c = a+(b+c) is verified.
- A taxi covers 2/5 km in 10 minutes. Find the speed of the car in km/hr
2.4 km/hr (or 2(2)/(5) km/hr)