In some countries the budget for defense exceeds the budget for education by $630.9 billion. if x represents the budget for education in billions of dollars how can the budget for defense be represented?

b is the answer that makes most sense

step-by-step explanation:

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5

$320 to $405

step by step explanation:

in one day he earns between $64 and $81

therefore if he works for 5 days, he will earn between 64 x 5 to 81 x 5

= $320 to $405