Use the equation to find the length of the missing leg measure. a squared + 16 squared = 20 squared 1. Evaluate powers: a square
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Let roses be R and carnations be C
"in a ratio of 2 to 7" means that the ratio of R to C is 2 to 7, meaning you'll have to cross multiply to translate it algebraically
since C = 343 we plug 343 in :
ergo, she needs 98 roses
to make sure of the answer:
"ratio of 2 to 7" is technically a fraction =>
and since the ratio of the roses to the carnations is the same as we plug the values R = 98 and C=343:
check with calculator too, hope i helped <33