Lesson 70

Question 1

Quadrupled

Answer 1

Increased by four times

Question 2

By a factor of

Answer 2

Multiplied by three

Question 3

Drastic

Answer 3

Severe and sudden

Question 4

Revised upwards

Answer 4

Changed to a higher number

Question 5

Deviated from the norm

Answer 5

Moved away from the standard or accepted pattern

Question 6

Fluctuate

Answer 6

Keep going up and down

Question 7

Erratic

Answer 7

Not regular and often changing suddenly

Question 8

Seesawed

Answer 8

Gone up and down at regular intervals

Question 9

Aggregate

Answer 9

Total.

To add up all the different amounts

Question 10

Blip

Answer 10

Temporary change

Question 11

Correlation between

Answer 11

Connection between facts or things which cause or affect each other

Question 12

GDP

Answer 12

Gross Domestic Product: the total amount that a country produces

Question 13

Expenditure

Answer 13

The amount of money spent on something

Question 14

Discrepancy between

Answer 14

Difference between two things that should be the same

Question 15

Ratio

Answer 15

The relationship between two amounts, which expresses how much bigger one is than the other

Question 16

Flawed

Answer 16

Inaccurate

Question 17

Multiple

Answer 17

Very many of the same type, or of different types

Question 18

Inconsistent with

Answer 18

Not in agreement with

Question 19

Ballpark figure

Answer 19

Guess believed to be accurate

Question 20

Tot everything up

Answer 20

Add everything up

Question 21

Run into six figures

Answer 21

Get a figure over 100000

Question 22

Variables

Answer 22

Different factors that may change

Question 23

Projected figures

Answer 23

Planned figures

Question 24

Erred on the side of caution

Answer 24

Been cautious

Question 25

Rounded things down

Answer 25

Make, say, 2.5 into 2 rather than 3

Question 26

Conservative

Answer 26

Cautious

Question 27

Twofold

Answer 27

The suffix -fold means ‘multiplied by that number’