14y = t. 14 letters, for y months, and t = total
DC/AC=EC/BC
x/(x+3)=10/16
10(x+3)=16x
10x+30=16x
30=6x
x=5
DC=x=5
DC=5 units long
10/16=DE/AB, DE=y
10/16=y/10
16*y=10*10
y=6.25≈6.3
DE≈6.3
Answer:
y=4
Step-by-step explanation:
4y + 3 =19
4y = 16
y= 4
Answer:David
Step-by-step explanation:
David saves 2:8 = 1;4 is 25%
Laura saves 3/20= 15%
Anna saves 19%
Answer:
Step-by-step explanation:
Subtract 2.25 from both sides