Help me with #22 Please i need steps too

Step-by-step explanation:

1. set the equation for the area of each shape equal to each other

2. simplify each side until you get

3. subtract 16 from both sides which will give you

4. subtract 3x from both sides which will give you the value of x.

5. check that  is correct by plugging it into the equations

triangle:

rectangle:

the areas are the same

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300