Cambridge Secondary (7-9). Stage 8. Science. Learner's Book - Unit 7: Diet and growth - Question 45

This bar chart shows the percentages of babies with a birthweight lower than normal, born to mothers who smoked different numbers of cigarettes per day while they were pregnant.

Use the information in the bar chart to answer these questions.

Calculate the percentage of babies born to non-smoking mothers that do not have a low birthweight.