Use the tens frame to you solve the problem below 8+4×10

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Explain why the factor 1.5 is broke. into two numbers in the model.

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2