Math
Solve the equation for d
0.2(d6)=0.3d+53+0.1d
I had d=16
Work:
1. distribute
2. 0.2d1.2=0.3d+53+0.1d
3. 0.2d=0.4d+3.2
4. 0.2d=3.2
5. divide
6. d= 16
I even did a check
0.2(d6)=0.3d+53+0.1d
0.2(166)=0.3(16)+53+0.1(16)
0.2(22)=0.3(16)+53+0.1(16)
4.4=4.4
Is this correct? Thanks for checking my work

Correct
posted by Kg

Thanks because I thought I was correct but my friend got 5 1/3 for the same work
doing0.2d1.20=.40d+2
+1.2 to each side
then taking 0.40d to each side
getting0.6=3.20
divide each side by0.6 giving her 5 1/3
so where did se go wrong, so I can help her outposted by B8

0.2d  0.4d does not equal 0.6
0.2d1.20=.40d+2
0.2d  0.4d = 2 + 1.2
0.2d = 3.2
d = 3.2/0.2
d = 16
posted by Ms. Sue

Thank you.
posted by B8

You're welcome.
posted by Ms. Sue

0.2(d6)=0.3d+53+0.1d
posted by Dilnoza
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