Answer:
The sale price would be $30.
Step-by-step explanation:
2/5 is like saying 20/50. If you take 50 and subtract 20 from that, you will be left with 30.
Subtract 4 from both sides, y = 5
Answer:
For a scientific experiment, a physicist must make sure that the temperature of metal at 0° C gets no colder than -80° C. The physicist changes the metal’s temperature at a steady rate of -4° C per hour. For how long can the physicists change the temperature?
Step-by-step explanation:
136/100 = 204/x
Cross multiply 204 with 100 and 136 with x, then divide by 136x.
20400/136x
X= 150.
I hope this helps.
Answer: Many utility companies promote energy conservation by offering discount rates to ... who keep their energy usage below certain established subsidy standards. A recent EPA report notes that 70% of the island residents of Puerto Rico have reduced their electricity usage sufficiently to qualify for discounted rates.
Step-by-step explanation:
