please help 40 POINTS

Answer:
The answer is 4 1/2 kilograms.
Step-by-step explanation:
Since we already know each toy is 3/4 kilograms you would need to multiply 6*3/4
6 × 3/ 1 x 4
18/4
18 ÷ 2 / 4 ÷ 2
9/2 =4 1/2
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The number of toys built :
Mass of each toy :
Total mass of toys :