7. A nurse administers vaccines to individuals. The nurse vaccinated 52 people on Wednesday, 58 on Thursday and 43 on Friday. The flu vaccine costs R49,00 per vaccine and the hepatitis vaccine costs R98,00. 30 a) Round the figures to the first digit to estimate the number of people who were vaccinated on Wednesday, Thursday and Friday. b) If approximately half the people had flu vaccines and the other half had hepatitis vaccines, estimate how much money was spent on vaccines.
