Using the energy values for food (see Table), determine each of the following (round off the answers in kilojoules or kilocalories to the tens place) :
a. the total kilojoules and kilocalories for 1 cup of orange juice that contains 26 g of carbohydrate, 2 g of protein, and no fat
b. the grams of carbohydrate in one apple if the apple has no fat and no protein and provides 72 kcal of energy
Table: Energy Values for the Three Food Types
| Food Type | (kJ/g) | (kcal/g) |
| Carbohydrate | 17 | 4 |
| Fat | 38 | 9 |
| Protein | 17 | 4 |
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