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let AB = E
⇒ (AB) (7 m) = (1.75 m) ( BC + AB)
(AB) (7 m) = (1.75 m) (1.5 m + AB)
= 2.625 m² + (1.75 m ) (AB)
(AB) (7 m - 1.75 m) = 2.625 m²
∴ AB = 2.625 m² ÷ (5.25 m)
<span> ⇒ the length of AB is 0.5 m</span>
Each hour she works, she earns 
dollars.
The first day, she worked 6 hours, so she'd earn
dollars.
The second day, she worked 8, so she'd earn
.
Together, she'd have earned
dollars.
You could add the number of hours she worked first and then multiply by to get the same result. This would look like 
.
The first day, she worked 6 hours, so she'd earn
The second day, she worked 8, so she'd earn
Together, she'd have earned
You could add the number of hours she worked first and then multiply by