Interpret measurement scales and units in context - TACHS Math

Based on the bar graph, how much rainfall fell in April, in millimeters?
Answer: $70\text{ mm}$ The April bar reaches 7 cm on the vertical axis that is labeled in centimeters. Since 1 cm = 10 mm, $7\text{ cm} = 70\text{ mm}$ . B converts inches, not centimeters; C and D confuse the scale or misplace the decimal.