Answer:
It takes 50 minutes to paint the whole box
Step-by-step explanation:
1. Write an equation using equal fractions to represent this situation. Use a box to represent the total time it takes to paint the bookcase.
Wilson paints 40% of a bookcase in 20 minutes.
For the total box
40% = 20 minutes
100% = x
40 × x = 100 × 20
x = 100 × 20/40
x = 50 minutes
How many red ones were in the bag?
Answer:
1. 2x + 5y = 5
2. 3x + 2y = -9
Step-by-step explanation:
20t +15t+90+25t-75=60t+15
60t+15/3=20t+5 as the average
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