19 comes next in the series, followed by two 21s.
Answer:
Sydney's age is 28
Step-by-step explanation:
Let Devaughn be D
And Sydney be S
D=S+8..... equation 1
D+S=64...... equation 2
Substitute equation 1 to equation 2
S+8+S=64
2S+8=64
2S=64-8
2S=56
S=56/2
S=28
Hope it helps
Good luck
Answer:
C.
x + 0.05x = 3.15, which has one solution
Step-by-step explanation:
Let x = the price Joshua pays for the pack of pens
He add 5% (=.05 in decimal form)
That is x* .05
The new cost is 3.15
x+.05x = 3.15
This will have one solution
3 hundreds is 300, 17 tens is 170, and 2 ones is 2. You add them all and then you get 472.