Carlotta starts cleaning her room at 10:49 a. m. She finishes cleaning at 11:28 a. m.

How much time did Carlotta spend cleaning her room?

39 minutes

Step-by-step explanation:

You first try to figure out how many minutes are left until it becomes 11 am. So 10:49 to 11 am would be 11 minutes. Now add 28 minutes because that's when she finished, and add 11 and you figure out how much time she has spent cleaning her room.

x ≥ 18 is your answer

step-by-step explanation:

let "a number" = x

(2/3)x + 17 ≥ 29

isolate the variable (x). do the opposite of pemdas (parenthesis, exponent (& root), multiplication, division, addition, subtraction).

first, subtract 17 from both sides.

(2/3)x + 17 (-17) ≥ 29 (-17)

(2/3)x ≥ 29 - 17

(2/3)x ≥ 12

next, multiply 3/2 to both sides to isolate the x

(3/2)(2/3)x ≥ 12(3/2)

x ≥ 12(3/2)

simplify. multiply, then divide

x ≥ (12 * 3)/2

x ≥ (36)/2

x ≥ 18

x ≥ 18 is your answer

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%40

step-by-step explanation: