Let's solve the sine equation.
1. Express sine function in the left side of equation:
.
2. Use the genereal solution to get the solution of your equation:
, where .
3. Find :
.
4. Substitute part 3 into part 2 and express x:
, where
, where .
5. Solutions of your equation are:
, where .
1 ft = 12 in.
4 ft = 4 * 1 ft = 4 * 12 in. = 48 in.
4 ft 7 in. = 48 in. + 7 in. = 55 in.
4 ft 7 in. < 56 in.
John spent 30 on six cars 5 times 6 = 30