Answer: 64 ivy stems
Step-by-step explanation:
Answer:
64 ivy stems
To solve this problem we can use rule of three:
Firstly we had 72 ivy stems to use in 18 centerpieces, and know we have 16 centerpieces and want to know how many ivy stems we need to use, so:
18 centerpieces -> 72 ivy stems
16 centerpieces -> X ivy stems
18/16 = 72/X
X = 16*72/18 = 64
He needs to use now 64 ivy stems to maintain the ratio.
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5x+10
The square root of 120 is about 10.95
0.5*13*15 = 97.5 square units
If the diagonals of the rhombus are 13 and 15 then its area is 0.5*13*15 = 97.5 square units