Let's solve for a.
t=a+4
Step 1: Flip the equation.
a+4=t
Step 2: Add -4 to both sides.
a + 4 + −4 = t + −4
<u>Answer:</u>
a=t−4
Let the Length of River D be : P
Given : River C is 100 Miles Longer than River D
⇒ Length of River C = P + 100
Given : The Sum of Both Rivers is 5570 Miles
⇒ P + (P + 100) = 5570
⇒ 2P + 100 = 5570
⇒ 2P = 5570 - 100
⇒ 2P = 5470
⇒ P = 2735
⇒ Length of River D is : 2735 Miles
⇒ Length of River C is : (P + 100) = (2735 + 100) = 2835 Miles
Answer:
Z = 160
Step-by-step explanation:
45/100 = 72/z
72 x 100 = 7200
7200/45 = 160
He will earn $480 after 2 years
