A. Write an equation to show the functional relationship between the two quantities involved in the problems using the indicated variables.
1. The cost (C) of n cavans of rice at Php. 1200 a cavan
2. The time (r) required to make a trip of 60 km. If a car spes km per hour.
3. The surface area of a sphere 8 equals 4/6 times the square of the radius,
4. A number decreased by 12 is 7
5. The sum of two consecutive integers is 49.
ling worded problem. Write
Solve the problem hy following the sten igen