Can someone please answer all these please?a) When Lucia buys olives at the deli, the scale shows 0.325 kg at $18.88 per kg. How much should she pay? b) John’s weekly wage is $1510.99 and he pays 2/3 of his weekly income in rent. How much rent does he pay each week?c) A farmer owns 780 hectares of land. During a bushfire, 195 hectares are burnt. What percentage of his land was burnt? d) Candles are $14.95 each. Estimate how much I need if I want to buy 17 of them. Show your working.e) Decrease 5000 by 13 %.f) Ray bought a computer for $1600 and then a year later sold it for $1200. Calculate his loss = Calculate his loss as a percentage of the original price of the computer = g) John spent $80 on dinner last Friday night. If this $80 is equal to 40% of his weekly income, calculate his weekly income.h) Mr Jenkins invested $7500 at his local bank at 6.5% Simple Interest per annum.What was his investment worth at the end of the first year?Question 5 a) Express this ratio in lowest terms: 50 minutes : 2 ½ hoursb) Divide $120 in the ratio 5:7c) Jane and Ben share in their lottery win in the ratio of 7: 3.If Jane’s share of the money is $5600, how much does Ben receive?