ASAP 7TH GRADE MATH Complete the real-world situation that could be modeled by the equation 130 − 4x = 190 − 8x.

Xavier has $130 in his lunch account. He spends $ for lunch each day. Zack has $ in his lunch account. He spends $ each day. After how many days will the boys have the same amount of money in their accounts?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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.

Measure of angles 31 (x+4) (3x+9) me