In 3 hours, one good worker can paint one fourth of your house. Three good workers can thus paint three fourths of your house in three hours, leaving one fourth to be done by bad workers.
One bad worker can paint one twelfth of your house in 3 hours. There are three twelfths in one fourth, so you will need to hire three bad workers to have your house painted on time.
Answer:
Step-by-step explanation:
Hello!
10*17 = > 170 cm²
(3,14 * 8)/4 =>6,28cm²
170 + 6,28 => 176,28cm²
Answer:
4.5
Step-by-step explanation:
7 1/5 = 7.2 and 1 3/5= 1.6
so, 7.2/1.6= 4.5
95% is the greater number because .9 is equivalent to 90%
Answer: 129.81 m, roughly 130 m
Step-by-step explanation: Let me know if you need an explanation.
