Packets of biscuits cost 80p each. Use the rule: Cost=(Number of packets)x80 to work out the cost of 4 packets, 80p, £1.60, £3.20, £4.80, Bob works for 40 hours and gets paid £10 an hour. Pay=(Pay per hour)x(Hours worked) How much should Bob get paid?, £400, £50, £500, £40, In football Number of points=(Number of wins)x3+(Number of draws) If a team has 20 wins and 4 draws, how many points is that?, 24, 64, 32, 72, In Science V=IR If I=5 and R=12, what does V=?, 17, 7, 2.4, 60, If P=c-d What does P equal if c=20 and d=7?, 27, 140, 14, 13, Use the formula a=(v-u)/t to work out a if v=30, u=20 and t=2, 5, 25, 20, 100, For the perimeter of a rectangle P=2(l+w) Find the perimeter if l=5 and w=3, 4, 8, 16, 32, C=3d What does d equal when C=12?, 36, 4, 15, 9, D=ST What is S if D=30 and T=5, 6, 25, 35, 150, x+y=k Find y if x=4 and k=10, 14, 40, 2.5, 6.

Using formulae quiz

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