Julio plans a diet to gain 0.2 kg a day. after 14 days he weighs 40 kg. how long will it take julio to reach his goal weight of 50 kg?

50 days

Step-by-step explanation:

Given Julio's planned gain of 0.2 kg per day and his current weight of 40 kg, you can set up an equation to find the number of days it will take Julio to reach his goal weight of 50 kg.

Total weight = 0.2d + 40, where 'd' is the number of days, 0.2 is his daily rate of weight gain and 40 is is current weight.  To find the number of days for him to reach 50 kg, set the total weight equal to 50:

50 = 0.2d + 40

Subtract 40 from both sides: 50 - 40 = 0.2d + 40 - 40 or 10 = 0.2d

Divde both sides by 0.2: 10/0.2 = 0.2d/0.2

Solve for d: d = 50 days

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