greg needs $51 to go on a field trip. he has saved $12.75. he earns $6.50 per hour cleaning his neighbor's garden, and he earns $5.25 per hour selling cakes at a store. can greg go on the field trip if he works at the garden for 2 hours and at the store for 5 hours? (use the inequality 6.50x 5.25y 12.75 ≥ 51.) yes, because the total will be $62 yes, because the total will be $52 no, because the total will be $50 no, because the total will be $49