Renee is 16. Dana is 8. Four years ago, Renee was 12 and Dana was 4 (12 is three times 4) The algebra is R = 2D R-4 = 3 (D-4) Substitute the first value in the second: 2D - 4 = 3 (D-4) -4 = D-12 8 = D
1 1/3 = 4/3 * 3 = 4 Learn your fractions. :D
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It is simply 7d which means 7 times d
m=9d (m+4)=5(d+4) m+4=5d+20 m=5d+16 9d=5d+16 4d=16 d=4 m=9(4) today the mother is 36 and the daughter is 4 4 years from now the mother will be 40 and daughter will be 8
1-D Times are faster then 4-D times. Because 1-D is like 15 second times(witch is very good) and 4-D times are like 19 second times(Witch is like a begginer would run. Theres 1-D,2-D,3-D, And 4-D times.
If: d = 60 times 4 then d = 240
4C times D is the same as 4CD in algebra which means 4*D*C
4 :D
4 times 7 tenths is 2.8 :D
4 =((4-4)/4)+4 problem solved :D
yes
6 =(4+4)/4+4 problem solved :D
2 =4/(4+4)*4 problem solved :D
4 = 4!/4+4 >> 4=(4*3*2*1)/4+4problem solved :D
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Renee is 16. Dana is 8. Four years ago, Renee was 12 and Dana was 4 (12 is three times 4) The algebra is R = 2D R-4 = 3 (D-4) Substitute the first value in the second: 2D - 4 = 3 (D-4) -4 = D-12 8 = D