To find 4/5 of 20.5 the first step is to convert 4/5 into a decimal. You can do that by dividing 4 by 5.
4/5 is .8 so your equation would now be .8 of 20.5
"of" states that you are multiplying, so .8 times 20.5 is 16.4
4/5 of 20.5 is 16.4
The sum its +2
2+2=4
4+2=6
6+2=8
8+2=10
And so on the numbers just keep sum for 2
Answer:
yup and yup
Step-by-step explanation:
also 1. is yup and yup
Answer:
Ratio 1= 14:6
Ratio 2=21:9
Ratio 3=28:12
Step-by-step explanation:
7:3
7×2=14
3×2=6
=14:6
7×3=21
3×3=9
=21:9
7×4=28
3×4=12
=28:12
Answer:Let x = pay per hour as a carpenter and y = pay per hour as a blacksmith
Last week she worked 12 hours as a carpenter
earning 12x dollars
and 20 hours as a blacksmith
earning 20y dollars
and earned a total of $860
and those two things add up to 860.
Do the same with the other sentence, giving you a second equation.
Step-by-step explanation:
