Substitute Into Formulae (Foundation)

Interactive macro-enabled MS-Excel spreadsheet. Contents: Evaluate 1, 2 & 3-step formulae using ±ve №s, fractions & decimals. Evaluate scientific formulae using ±ve integer or decimal values. Find time t for a teacher to mark papers & read the mark scheme. Find time t for a boy to wash cars after filling a soap bucket. Find cost C to charge customers to deliver a parcel from a base. Find pay P a chef receives for making tacos including his bonus. Find an adult’s body mass index BMI using metric or imperial data. Find cost C for a family of adults & children to stay in a hotel villa. Find charge C to hire a limo including fuel, valet fee & driver’s pay. Find external temperature T of a plane at a height above sea level. Find equivalent resistance R of 2 or 3 resistors in a parallel circuit. Find area A of one layer of a rectangular wall & cost C to paint it. Find volume V of a cuboid tank full of toxic tar & cost C to treat it.