Linear inequalities word problems check:
•andrea's salary is $1200 a month plus 4% (0.04) commission on all her sales. what must be the amount of sales she must earn to get at least $1600 each month?
*at least is greater than or equal to!
~is it $1200+.04(x)> =1600..
1 )0.04(x)> =400
2) 4(x)> =40,000
answer^ x> =$10,000? ?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

How are sas and sss used to show that two triangles are congruent?