First, Ann posted 1/3 of the 45 fliers. 1/3 * 45=15, meaning that she posted 15, leaving 30 fliers. Next, she posted 2/5 of the remaining fliers. 2/5 * 30 = 12, so she posted 12 more fliers. 30-12 is 18, so she has 18 left over.
Answer:
- To establish a ratio relation you must see the difference hence 9:4 =2.25
- So 2.25, 2.5, 2.11, 3.33, 2.85
From least to greatest:
13:6 ; 9:4 ; 5:2 ; 20:7 ; 10:3
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Original length: x
original width; x-3
original area: x(x-3)
when the dimensions doubles, that is, increase by a factor of 2, the area increase by 2²
4[x(x-3)]
4x(x-3)=4x²-12x
you can also do it this way:
original length: x doubled: 2x
original width; x-3 doubled: 2(x-3)
new area: 2x[2(x-3)]= 4x²-12x
