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Answer:
<em>9%</em>
Step-by-step explanation:
Original rectangle: 100 cm by 200 cm
Original area: 100 cm * 200 cm = 20,000 cm^2
Reduced by 70%, the measures are now 30% of they they were.
30% of 100 cm = 30 cm
30% of 200 cm = 60 cm
New area: 30 cm * 60 cm = 1800 cm^3
New area equals what percent of original area?
1800/20,000 * 100 = 9%
Answer:
45 rand
Step-by-step explanation:
3 large pizzas is 10 ×3=R30
5 small drinks is 1.50×5=R7.50
tip of R7.50
add all
30+7.50+7.50
=45
You multiply it together like (a+b)(a+b)
the answer would be a^2 + 2ab + b^2
The right answer is letter B).
